| 单词 | migrate |
| 释义 | migrate —migrator, n. /muy"grayt/, v.i. , migrated, migrating. 1. to go from one country, region, or place to another. 2. to pass periodically from one region or climate to another, as certain birds, fishes, and animals: The birds migrate southward in the winter. 3. to shift, as from one system, mode of operation, or enterprise to another. 4. Physiol. (of a cell, tissue, etc.) to move from one region of the body to another, as in embryonic development. 5. Chem. a. (of ions) to move toward an electrode during electrolysis. b. (of atoms within a molecule) to change position. 6. (at British universities) to change or transfer from one college to another. [1690-1700; < L migratus (ptp. of migrare to move from place to place, change position or abode), equiv. to migra- v. s. + -tus ptp. suffix] Syn. 1. move, resettle. MIGRATE, EMIGRATE, IMMIGRATE are used of changing one's abode from one country or part of a country to another. To MIGRATE is to make such a move either once or repeatedly: to migrate from Ireland to the United States. To EMIGRATE is to leave a country, usually one's own (and take up residence in another): Each year many people emigrate from Europe. To IMMIGRATE is to enter and settle in a country not one's own: There are many inducements to immigrate to South America. MIGRATE is applied both to people or to animals that move from one region to another, esp. periodically; the other terms are generally applied to movements of people. Ant. 1. remain. |
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