VERB
(鳥類、魚類、獸類等隨季節(jié)變化)遷徙
When birds, fish, or animals migrate, they move at a particular season from one part of the world or from one part of a country to another, usually in order to breed or to find new feeding grounds.
例句
Most birds have to fly long distances to migrate.
絕大多數(shù)鳥類為了遷徙都不得不進(jìn)行長距離的飛行。
...a dam system that kills the fish as they migrate from streams to the ocean.
導(dǎo)致魚類在從溪流向海洋遷徙途中死亡的水壩體系