n.[U]

1. 泡沫；灭火泡沫
   The surface of the water is full of foam.

   水面都是泡沫。

2. （马等的）大汗
3. 泡沫材料；泡沫橡皮；泡沫塑料

vi.

1. 起泡沫；（马等）冒汗
   The icy cold water foamed over the side of the boat.

   冰凉的水在船边泛起泡沫。

2. 吐白沫；（发怒时）唾沫四溅
3. 【口】大怒[（+with）]
   He foamed with anger when he found out his son had lied.

   他发现儿子撒了谎便勃然大怒。

4. 起着泡沫流动

vt.

1. 使起泡沫；使成泡沫状物

n.

1. a mass of small bubbles formed on or in liquid.
   ▸a liquid preparation containing many small bubbles.
2. a lightweight form of rubber or plastic made by solidifying foam.

v.