n. 泡沫橡胶，海绵橡胶
n. 〔液体表面的〕泡沫 ≈ froth
n. 泡沫（剂）
v. 起泡沫
shaving foam 剃须泡沫
be foaming at the mouth 〔因病重而〕口吐白沫；大发雷霆
The sea was covered in foam. 海面上泛着一层泡沫。
The green water splashed and foamed over the rocks. 碧绿的水花四溅，岩石上满是泡沫。
BrE /əˌbriːviˈeɪʃn/