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
Yeah. You can count on it.
当然 ，你等着瞧吧。
I asked him to do it for me, but he wouldn't.
我请他帮我做，但是他不肯。
and should not be put in drinks unless it is known to be safe.
只有知道冰块安全时才能加入饮料。