migration

移动；移居

成群迁徙的人；成群的候鸟

migration

移民, 移植, 移往, 移动

migration

1. the movement of persons from one country or locality to another

(hypernym) , ,

(hyponym) , ,

(derivation) ,

2. a group of people migrating together (especially in some given time period)

(hypernym)

(derivation) ,

3. (chemistry) the nonrandom movement of an atom or radical from one place to another within a molecule

(hypernym)

(classification) ,

4. the periodic passage of groups of animals (especially birds or fishes) from one region to another for feeding or breeding

(hypernym) ,

(derivation)