单词	reactive
释义	reactivere‧ac‧tive /riˈæktɪv/ AWL adjective Examples EXAMPLES FROM OTHER DICTIONARIES Many businesses follow a reactive strategy rather than initiating new products. EXAMPLES FROM THE CORPUS That is, I have been primarily a reactive person. The reactive approach is virtually always ultimately more costly than the preventive approach. The strength of our process is not in reactive governance. They are by nature reactive rather than pro-active. They see themselves as having both reactive and proactive roles. We must be reactive rather than proactive, because becoming motivated and taking initiatives involves gaining power. word sets WORD SETS► Chemistry acetate, nounacid, nounacidic, adjectiveacidify, verbactive, adjectiveadditive, nounagent, nounalchemy, nounalcohol, nounalkali, nounalkaline, adjectiveamalgam, nounantioxidant, noun-ate, suffixatomic number, nounbase, nounbauxite, nounbeaker, nounbenzene, nounbiochemistry, nounbitumen, nounbleach, nounbond, nounbonding, nouncalcify, verbcarbohydrate, nouncarbonate, nouncarbon dioxide, nouncarbonize, verbcatalyst, nouncaustic, adjectivechain reaction, nounchemical, nounchemical, adjectivechemical reaction, nounchemist, nounchemistry, nounchlorinate, verbcitric acid, nouncombustion, nounconcentration, nouncondense, verbcontaminant, nouncontaminate, verbcontaminated, adjectivecorrode, verbcorrosion, nouncorrosive, adjectivecrucible, nouncrystal, nouncrystallize, verbcyanide, nounDDT, noundecay, verbdecay, noundecompose, verbdegrade, verbderive, verbdetoxification, noundextrose, noundioxin, noundispersion, noundissolve, verbdistill, verbeffervesce, verbeffervescent, adjectiveelectrolysis, nounelectrolyte, nounelectroplate, verbemulsify, verbemulsion, nounenzyme, nounexpand, verbfatty acid, nounferment, verbferment, nounflashback, nounflask, nounformaldehyde, nounformula, nounfructose, nounfungicide, nounfuse, verbgas, noungaseous, adjectiveglucose, noungranular, adjectivegraphite, nounhallucinogen, nounhelium, nounherbicide, nounhydrate, nouninert, adjectiveinsoluble, adjectiveinsulin, nounion, nounionize, verblactic acid, nounlimescale, nounlitmus, nounlitmus paper, nounlitmus test, nounmethane, nounmixture, nounmolecule, nounneon, nounnerve gas, nounneutralize, verbneutron, nounnitric acid, nounnucleic acid, nounnucleus, nounnutrient, nounorganic chemistry, nounosmosis, nounoxidize, verboxyacetylene, nounoxygenate, verbozone, nounpart, nounpectin, nounpesticide, nounpestle, nounpetrochemical, nounpH, nounphotosynthesis, nounplasma, nounpolyunsaturated, adjectivepotash, nounprecipitate, verbprecipitate, nounprecipitation, nounproduct, nounprussic acid, nounquicklime, nounradioactive, adjectiveradioactivity, nounradiology, nounreact, verbreaction, nounreactive, adjectivereagent, nounresidue, nounretort, nounriboflavin, nounsalt, nounsaltpetre, nounsaturate, verbsaturated, adjectivesaturation, nounsaturation point, nounsemiconductor, nounsoft, adjectivesolid, nounsolution, nounsolvent, nounstability, nounstabilizer, nounstable, adjectivestarch, nounsteam, nounsucrose, nounsulphate, nounsulphide, nounsulphur, nounsulphur dioxide, nounsulphuric acid, nounsulphurous, adjectivesurface tension, nounsuspension, nounsynthesize, verbsynthetic, adjectivetannin, nountartaric acid, nounTNT, noununstable, adjectivevalence, nounvitamin, nounvolatile, adjectivevulcanize, verbwater softener, nounwater-soluble, adjectivewater vapour, nounwetting agent, noun Collocations COLLOCATIONS FROM THE CORPUSADVERB► highly · The ones of interest here are a highly reactive chemical species called free oxygen radicals.· Another type of aggressive child, for example, is highly reactive to sensations.· Those used range from mild organic acids such as citric acid to phosphoric acid highly reactive sulphuric and hydrochloric acids.· Oxygen is a highly reactive gas, combining with many elements in a fierce explosive union we call fire or burning. NOUN► oxygen · Chemiluminescence is a reliable means of estimating reactive oxygen species in biological media.· Increased reactive oxygen species values in the inflamed colonic mucosa in rats were seen by chemiluminescence.· An outline of reactive oxygen metabolite chemistry in biological tissues is given in the Figure.· These three reactive oxygen species are believed to be responsible for tissue injury.· Chemiluminescence is a simple, sensitive, and reproducible technique that can be used to estimate reactive oxygen species in biological media.· Using chemiluminescence produced by cells and extracts, several investigators have showed the role of reactive oxygen species in different disorders.· In contrast, reports on the use of this technique for tissue reactive oxygen species are very limited.· One potential source for the increased values of reactive oxygen species in inflammatory bowel disease is the neutrophil. Word family WORD FAMILYnounreactionreactorreactionaryoverreactionadjectivereactionaryreactiveverbreactoverreact 1reacting to events or situations rather than starting or doing new things yourself:  a reactive foreign policy2technical a reactive substance changes when it is mixed with another substance:  a highly reactive chemical
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