炖肉的时候“撇油”，撇出去的“沫”，英文怎么说？

作者：小雅和英美友人

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(1) Skim the oil

= Skim the fat

撇油

Make sure to skim the oil from the surface of the water as it cooks.

烹饪的时候，别忘了把汤表面的油撇掉。

Why don't you use a spoon to pick up some of the fat that is coming out of the meat?

你用一个勺子把肉里出来的油挖起来吧。

(2) Scum

（血、油、渣等各种）沫

Let's boil the meat before we braise it, so we can remove excess fat and blood, which will float to the top of the water.

我们炖肉之前要先煮（紧）一下它，这样我们能把漂浮在汤上面的多余的肥油和血去掉。

The scum that comes from boiling the meat looks kind of gross!

煮（紧）出来的沫真恶心！