migration :移民1)migrant
v. migrate:迁移,迁徙
migratory bird:候鸟
none: no body
people+s 民族
if they had any: 即便是有
his relatives,if he had any,never went to visit him when he was hospitalized.
find out千方百计,费尽周折=explore
modern men :the men who were like ourselves
however-anywhere you want ,加逗号
but,yet-不加标点,only at the beginning of the sentence
therefore-自由
so-自由
tool:小工具
instrument:实验器械
equipment:设备
shape:成型;教育,改造
may also have:表推测
peel:果皮
leather:皮革
hide:兽皮 cowhide:牛皮
without (any) trace:无影无踪
2)immigrant
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