Migration velocity
[化] 渗移速度
🧩 词语组成解析
migration
[mai'ɡreiʃən]
n. 迁移，移居;
🗣️ 情景例句
How does she get by on such a small salary?
她靠那么一点薪水怎么过生活？
To give her candy
给她糖果
Where did you put it?
你把它放哪儿啦？