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 can speak English as far as foreign languages are concerned.
就外语来说，我只会讲英语。
It's fantastic.
那儿棒极了。
I'm planning to do a special study of satellites next term.
我计划下学期就卫星的问题做些特别的研究。