名词
中文翻译：泡沫
同义词：
['foam', 'froth例句：1. The foam on the surface of the milk was a sign that it had been warmed.（牛奶表面的泡沫表明它已经被加热了。）2. The foaming agent in the shampoo is designed to create bubbles.（洗发水中的起泡剂设计用来产生气泡。）']
例句：
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1. The foam on the surface of the milk was a sign that it had been warmed.
牛奶表面的泡沫表明它已经被加热了。
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2. The foaming agent in the shampoo is designed to create bubbles.
洗发水中的起泡剂设计用来产生气泡。
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3.The foam from the beer bottle was so thick that it could not be poured easily.
啤酒瓶里的泡沫太厚了，无法轻易倒出。