foam

柯林斯词典

1. N-UNCOUNT Foam consists of a mass of small bubbles that are formed when air and a liquid are mixed together. 泡沫 (橡胶); 海绵
The water curved round the rocks in great bursts of foam. 水流卷绕着岩石产生大量的泡沫。
2. N-MASS Foam is used to refer to various kinds of manufactured products which have a soft, light texture like a thick liquid. 泡沫
...shaving foam. …剃须泡沫。
3. N-MASS Foam or foam rubber is soft rubber full of small holes which is used, for example, to make mattresses and cushions. 泡沫 (橡胶); 海绵
...modern three-piece suites filled with foam rubber. …塞满海绵的现代3件套。