单词	migrate
释义	migratemi‧grate /maɪˈɡreɪt $ ˈmaɪɡreɪt/ ●○○ AWL verb Word Origin WORD ORIGINmigrate Origin: 1600-1700 Latin past participle of migrare Verb Table VERB TABLE migrate Simple Form Present I, you, we, they migrate he, she, it migrates Past I, you, he, she, it, we, they migrated Present perfect I, you, we, they have migrated he, she, it has migrated Past perfect I, you, he, she, it, we, they had migrated Future I, you, he, she, it, we, they will migrate Future perfect I, you, he, she, it, we, they will have migrated Continuous Form Present I am migrating he, she, it is migrating you, we, they are migrating Past I, he, she, it was migrating you, we, they were migrating Present perfect I, you, we, they have been migrating he, she, it has been migrating Past perfect I, you, he, she, it, we, they had been migrating Future I, you, he, she, it, we, they will be migrating Future perfect I, you, he, she, it, we, they will have been migrating Examples EXAMPLES FROM OTHER DICTIONARIES How do birds know when to migrate, and how do they find their way back home? More than 2 million ducks migrate to the lake each fall. The first Americans migrated across the Bering land bridge more than 10,000 years ago. Where there are areas of high unemployment, workers tend to migrate to other, wealthier parts of the country. EXAMPLES FROM THE CORPUS But he eventually migrated to Chicago, where he acted in independent films and theater. In the wild, they can often be sighted migrating in bevies of a hundred or more birds. The answers to the second question, of how animals find their way when migrating, can be more various. This means that now he has no need to migrate if he can work his own land. Thesaurus Longman Language Activatorto leave your country or the area where you live► emigrate to leave your own country to live permanently in another country, especially one which is far away: · Millie's brother Dennis, and his wife Joan, decided to emigrate the following year.emigrate to: · They later got married and emigrated to Australia in 1936.emigrate from: · My parents emigrated from Britain to New Zealand just before I was born. ► migrate if people, birds, or animals migrate , they leave their country or area in large numbers, but usually only for a limited period, in order to find food, warmer weather etc: · How do birds know when to migrate, and how do they find their way back home?migrate to: · Where there are areas of high unemployment, workers tend to migrate to other, wealthier parts of the country. ► exodus the movement of a large number of people who leave their country, city etc because they do not want to live there any longer, or because it is not safe for them to stay: · The exodus of refugees continued throughout the autumn.mass exodus (=when almost everyone leaves): · The island is facing a mass exodus of its young people. WORD SETS► Biology aerobic, adjectiveafterbirth, nounalgae, nounalimentary canal, nounamber, nounameba, nounamino acid, nounamoeba, nounanaconda, nounanaerobic, adjectiveandrogynous, adjectiveantibody, nounantigen, nounantitoxin, nounappendage, nounarm, nounarmour, nounasexual, adjectiveassimilation, nounatrophy, verbaviary, nounbacteria, nounbacteriology, nounbarnacle, nounbile, nounbinocular vision, nounbio-, prefixbiochemistry, nounbiodegradable, adjectivebiodiversity, nounbiohazard, nounbiological, adjectivebiological clock, nounbiology, nounbiomass, nounbiome, nounbiosphere, nounblind, nounbrain, nounbreathe, verbbreed, verbbreed, nounbreeding, nounbristle, nounbulb, nouncapsule, nouncarbohydrate, nouncarbon dioxide, nouncarnivore, nouncell, nouncellular, adjectivecellulose, nouncentral nervous system, nouncervical, adjectivecholesterol, nounchromosome, nouncirculation, nouncirculatory, adjectiveclass, nounclone, nouncold-blooded, adjectiveconceive, verbconch, nounconnective tissue, nouncopulate, verbcoral reef, nouncornea, nouncoronary, adjectivecorpuscle, nouncortex, nouncortisone, nouncowrie, nouncrab, nouncrawfish, nouncrayfish, nouncreature, nouncross, verbcrossbreed, nounculture, nouncytoplasm, noundecay, verbdecay, noundecompose, verbdefecate, verbdenizen, noundextrose, noundiaphragm, noundigest, verbdigestion, noundigestive, adjectiveDNA, noundorsal, adjectivedry rot, nounduct, noundwarf, noundwarf, adjectiveecological, adjectiveecology, nounecosystem, nounegg, nounejaculate, verbembryo, nounembryonic, adjectiveenzyme, nounepidermis, nounevolution, nounevolutionary, adjectiveexcrement, nounexcrescence, nounexcrete, verbexcretion, nounexhale, verbexoskeleton, nounextinction, nounfaeces, nounfamily, nounfang, nounfat, nounfatty acid, nounfauna, nounfeces, nounfeed, verbfemale, adjectivefemale, nounferment, verbferment, nounfertile, adjectivefertility, nounfertilize, verbfission, nounflank, nounflatulence, nounflesh, nounfleshy, adjectiveflightless, adjectiveflora, nounfoetal, adjectivefoetus, nounfoliage, nounfossil, nounfreak, nounfreshwater, adjectivefructose, noungamete, nounganglion, noungene, noungene pool, noungenera, genetic, adjectivegenetic code, noungenetic engineering, noungenetic fingerprinting, noungenetics, noungenome, noungenus, noungestation, noungland, nounglandular, adjectiveglucose, noungluten, noungonad, noungrass snake, noungrow, verbgrowth, nounhabitat, nounhaemoglobin, nounhearing, nounheart, nounhemisphere, nounherbivore, nounhereditary, adjectiveheredity, nounhermaphrodite, nounhibernate, verbhistamine, nounhoming, adjectivehormone, nounhost, nounimpregnate, verbimpulse, nounincubate, verbindigenous, adjectiveinfected, adjectiveinfertile, adjectiveinfest, verbingest, verbinhale, verbinseminate, verbinsensate, adjectiveinsulin, nounintegument, nounintercourse, nouninterferon, nounintestine, nouninvertebrate, nouninvoluntary, adjectiveiris, nounjaw, nounjelly, nounkidney, nounkrill, nounlactate, verblactation, nounlactic acid, nounleech, nounleg, nounlesser, adjectivelichen, nounlife, nounlife cycle, nounlife form, nounligament, nounlimb, nounlimpet, nounlipid, nounliver, nounliving fossil, nounlocomotion, nounlymph, nounlymph node, nounmale, adjectivemale, nounmammal, nounmandible, nounmate, nounmate, verbmembrane, nounmetabolism, nounmetabolize, verbmetamorphosis, nounmicrobe, nounmicrobiology, nounmicroorganism, nounmicroscopic, adjectivemigrate, verbmigratory, adjectivemiscarriage, nounmolar, nounmorphology, nounmotor, adjectivemould, nounmouth, nounmucous membrane, nounmucus, nounmulticellular, adjectivemuscle, nounmuscular, adjectivemutant, nounmutate, verbmutation, nounnatural history, nounnatural selection, nounnature, nounneck, nounnectar, nounnerve, nounnervous, adjectivenervous system, nounneural, adjectiveneuro-, prefixneurology, nounnode, nounnose, nounnostril, nounnucleic acid, nounnucleus, nounnutrient, nounnutriment, nounoesophagus, nounoestrogen, nounolfactory, adjectiveoptic, adjectiveorgan, nounorganic, adjectiveorganic chemistry, nounorganism, nounorifice, nounossify, verbosteo-, prefixoutgrowth, nounova, ovary, nounoverwinter, verboviduct, nounoviparous, adjectiveovulate, verbovum, nounparasite, nounpathogen, nounpedigree, nounpelvic, adjectivepelvis, nounpenile, adjectivepenis, nounpepsin, nounperiod, nounperspiration, nounperspire, verbphotosynthesis, nounphylum, nounpigment, nounpigmentation, nounplankton, nounplasma, nounpollinate, verbpostnatal, adjectivepregnancy, nounpregnant, adjectivepremature, adjectiveprenatal, adjectiveproduct, nounproliferation, nounpropagate, verbprotein, nounprotoplasm, nounprotozoan, nounpuberty, nounpulmonary, adjectivepulp, nounpulsation, nounputrefy, verbputrid, adjectivered blood cell, nounregurgitate, verbrenal, adjectivereproduce, verbreproduction, nounreproductive, adjectiverespiration, nounrespiratory, adjectiverespire, verbretina, nounroot, nounrot, verbrot, nounruff, nounsac, nounsaliva, nounsalivary gland, nounsalivate, verbsaltwater, adjectivescale, nounscallop, nounscaly, adjectivesebaceous, adjectivesecrete, verbsecretion, nounsemen, nounsense organ, nounsensory, adjectiveserum, nounsex, nounsex, verbsexless, adjectivesexual intercourse, nounsheath, nounshell, nounsibling, nounskeletal, adjectiveskeleton, nounskin, nounskull, nounspasm, nounspasmodic, adjectivespecies, nounspecimen, nounsperm, nounspiderweb, nounspinal cord, nounspine, nounspineless, adjectivestarch, nounstem cell, nounstimulate, verbstimulus, nounstrain, nounsubject, nounsubspecies, nounsucker, nounsucrose, nounsweat, verbsweat, nounsweat gland, nounsymbiosis, nounsystemic, adjectivetail, nountaxonomy, nounteeth, testosterone, nountest-tube baby, nountissue, nountrachea, nountube, noununicellular, adjectiveurethra, nounuric, adjectiveurinate, verburine, nounvariety, nounvector, nounvein, nounvenom, nounvenomous, adjectiveventricle, nounvertebra, nounvertebrate, nounvivisection, nounwarm-blooded, adjectivewean, verbwildlife, nounwindpipe, nounyolk, noun Collocations COLLOCATIONS FROM OTHER ENTRIES► a bird migrates · The birds migrate from South America to North American breeding grounds. COLLOCATIONS FROM THE CORPUSADVERB► then · These cells then migrate to many different parts of the embryo.· Hydrogen ions then migrate into cells in exchange for potassium ions, which enter the extracellular fluid.· They then migrate into the lymphoid tissue and eventually return to the blood circulation. NOUN► area · For capital, an alternative to migrating to cheap labour areas is to attract cheap, relatively disposable, migrant labour.· It migrates first to unexploited areas and chomps the abundant low quality stems before moving on. ► bird · Then it was starting to be winter and getting cold and it was getting time for the bird to migrate South.· Annual changes in the weather are also the stimulus for millions of birds to migrate.· Then finally the bird migrated South.· They are the vital staging post for millions of birds migrating between Siberia and Australasia.· Small mammals therefore do not live in cold countries, and birds migrate south in winter. ► cell · Accompanying the expanded domain of r4 expression, neural crest cells migrating from this region also express r4 markers.· These cells then migrate to many different parts of the embryo.· Some cells migrate beneath the future skin and will give rise to pigment cells.· Yet other neural crest cells migrate into the head region and form tissues of the head and face such as cartilage and bone.· If insufficient cells migrate into the front of the head the face will be abnormally small.· The cells seem to migrate along a track of extracellular material that covers cells which are oriented along the pathway they take. ► people · The condition of insecurity which often prompts people to migrate to towns means that urban growth occurs under highly unfavourable circumstances.· I could do that and still keep looking for people who would be migrating.· Between 1900 and 1910, more people migrated to the United States than in the entire second half of the nineteenth century. Word family WORD FAMILYnounmigrationmigrantadjectivemigratoryverbmigrate 1[intransitive + from/to] if birds or animals migrate, they travel regularly from one part of the world to another → migratory2[intransitive + from/to] if people migrate, they go to live in another area or country, especially in order to find work → emigrate3a)[intransitive, transitive + from/to] to start using a different computer system, or to arrange for people to start using a different computer system b)[transitive + from/to] to move information or software from one computer system to another
随便看	pre-emption pre-emptive preen pre-existing prefab prefabricated prefabrication preface prefatory prefect prefecture prefer preferable preferably preference preferential preferentially preferment prefigure prefix pregaming pregnancy pregnant preheat prehensile

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