| 单词 | migration |
| 释义 | migration (once / 768 pages) n Migration is the movement of either people or animals from one area to another. Look up in the trees, where you might see a Monarch butterfly make a stop on its migration to Mexico. Migration can be used for the journey from one place to another or for the act of movement. Thousands of mid-western farmers made the migration to California during the dust bowl. Demographers have noted the migration of young people to the big cities presumably for work. With animals, it’s almost always in reference to a seasonal change in location. On boat tours, you can see the whales during their annual migration down the West coast. WORD FAMILYmigration: migrational, migrations+/migrate: migrated, migrates, migrating, migration, migrator, migratory, transmigrate/migrator: migrators/migratory: nonmigratory/transmigrate: transmigrated, transmigrates, transmigrating, transmigration/transmigration: transmigrations USAGE EXAMPLESMichael Clemens, who studies remittances and migration at the Center for Global Development, says that "for countless towns like Ixmiquilpan, remittances are an economic lifeline." Reuters(Jan 02, 2017) Still, Kruger added, Colombian officials are preparing for the worst, and would be ready to cope with a collapse in Venezuela or a mass migration. Washington Post(Jan 01, 2017) Experts, nevertheless, say the figures tell a story about people’s movement across state and city lines — what demographers call “domestic migration” — that is worth heeding. Washington Post(Dec 31, 2016) 1n the movement of persons from one country or locality to another Hypo|Hyper emigration, expatriation, out-migration migration from a place (especially migration from your native country in order to settle in another) immigration, in-migrationmigration into a place (especially migration to a country of which you are not a native in order to settle there) gold rusha large migration of people to a newly discovered gold field aliyah(Judaism) immigration of Jews to Israel motion, move, movement the act of changing location from one place to another 2n the periodic passage of groups of animals (especially birds or fishes) from one region to another for feeding or breeding Hyper periodic event, recurrent event an event that recurs at intervals 3n a group of people migrating together (especially in some given time period) Hyper people (plural) any group of human beings (men or women or children) collectively 4n (chemistry) the nonrandom movement of an atom or radical from one place to another within a molecule Hyper event something that happens at a given place and time |
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