scum

skʌm

雅思 Collins 1

n. a film of impurities or vegetation that can form on the surface of a liquid
v. remove the scum from

n. 浮渣, 糟粕, 浮藻, 熔渣, 不起好作用的人
vt. 撇去(浮沫)
vi. 产生泡沫

Collins 星级

8,207

BNC 频率

15,268

使用频率

scum 这个词没有明显的词根词缀，可以直接记忆其整体含义，通常指的是水面上的浮渣或污垢。

例句

1. The water in the pond was covered with green scum.

池塘里的水面上覆盖着绿色的泡沫。

2. He felt like the scum of the earth after lying to his friend.

在对朋友撒谎后，他感觉自己像是世上的败类。

3. It's important to clean the scum off the dishes before washing them.

在洗碗之前，清除盘子上的污垢是很重要的。