Back migration
[化] 反迁移
🧩 词语组成解析
back
[bæk]
n. 背，背部;背面，反面;后面，后部;（椅子等的）靠背;
vt. 使后退;支持;加背书于;下赌注于;
vi. 后退;倒退;
adj. 背部的;后面的;以前的;拖欠的;
adv. 以前;向后地;
migration
[mai'ɡreiʃən]
n. 迁移，移居;
🗣️ 情景例句
We're in luck.
我们运气好。
Much water runs by the mill that the miller knows not of.
当前发生诸种事，大多为人所不知。
the man sadly picked up the mattress and carried it into his house.
伤心地捡起了床垫，把它拿进了屋。