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 never met before.
我从未谋面过的人。
A little child is the sweetest and purest thing in the world.
幼儿是世界上最可爱和最纯洁的。
Look! That girl has fallen off her bicycle.
看！那个女孩从自行车上摔下来了。