migration
移民,移往,移動
mi·gra·tion /maɪˈgreʃən/ 名詞
遷移,移動,移行,色移
migration
遷移
migration
遷移
Mi·gra·tion n. The act of migrating.
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migration
n 1: the movement of persons from one country or locality to
another
2: a group of people migrating together (especially in some
given time period)
3: (chemistry) the nonrandom movement of an atom or radical
from one place to another within a molecule
4: the periodic passage of groups of animals (especially birds
or fishes) from one region to another for feeding or
breeding