n.泡沫；汗
v.起泡沫；吐口沫；愤怒；沸腾
The sea was flecked with foam. 大海上涌起点点泡沫。
Foam rubber provides good insulation. 泡沫橡胶隔绝性能良好。
The fire extinguisher is filled with chemical foam. 这个灭火器充满了化学泡沫。
When the horse had finished the race, its sides were wet with foam. 这匹马结束比赛时，它的脊背被汗水湿透了。
用作动词 (v.)When he poured the warm beer, it foam up out of the glass. 当他倒鲜啤酒时，啤酒泛起泡沫从杯中流了出来。
The sick dog foamed at the mouth 那只病狗口吐白沫。
He was foaming at the mouth because of his daughter's rudeness. 他女儿的粗暴态度使他暴跳如雷。
The playground is foamed with students. 操场上聚满了学生。
