- (also foam rubber)[uncountable]
a soft light rubber material, full of small holes, that is used for seats, mattresses, etc. 泡沫橡胶;海绵橡胶 a foam mattress 泡沫橡胶床垫 foam packaging 泡沫橡胶包装材料
- [uncountable]
a mass of very small air bubbles on the surface of a liquid 泡沫 synonym frotha glass of beer with a good head of foam 一杯表面有厚厚一层泡沫的啤酒 The breaking waves left the beach covered with foam. 浪花四溅,海滩上满是泡沫。
- [uncountable, countable]
a chemical substance that forms or produces a soft mass of very small bubbles, used for washing, shaving (= cutting hair from the skin), or putting out fires, for example 泡沫剂(用于洗涤、剃须、灭火等) a bottle of bath foam 一瓶沐浴露 The fire extinguisher directs foam onto the fire. 灭火器将泡沫剂对准火喷射。
Word OriginOld English fām (noun), fǣman (verb), of West Germanic origin; related to Old High German feim (noun), feimen (verb).