Scum defect
[机] 表面浮松
🧩 词语组成解析
scum
[skʌm]
n. 浮渣;泡沫;糟粕;
vi. 产生泡沫;被浮渣覆盖;
vt. 将浮渣去除掉;
🗣️ 情景例句
I think I'm falling asleep.
我想我要睡着了。
The contract will be sent to you by air mail for your signature.
合同会航邮给你们签字。
I saw a beautiful fish in the street market the other day.
前几天，我在街市上见到一条很漂亮的鱼。