n. 移居者( migrant的名词复数 );移民;候鸟;迁移动物
网络 移民; 流动人口; 迁徙者
They claimed they were political refugees and not economic migrants.
他们宣称自己是政治难民,不是经济移民。
The human population swelled, at least temporarily, as migrants moved south.
随着移民们南移,人口便增加了,至少是暂时增加了。
The government divides asylum seekers into economic migrants and genuine refugees.
政府将寻求政治庇护的人划分为经济移民和真正的难民。
Somewhat later, the migrants returned, bringing new species with them.
不久之后,移民回来了,还带来了新的物种。
New species of fauna populated the Mediterranean when the old migrants returned.
当“旧移民”返回地中海时,地中海又出现了新的动物物种。