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
It was an extremely difficult and dangerous task.
这是一项极度困难的危险的工作。
If you live with a lame person, you will learn to limp.
远朱者赤，近墨者黑。
No, it's a duck, not a chicken. Oh, can you hear some animals?
不对，是只鸭，不是鸡。噢，你听到一些动物的叫声没有？