HSK 7-9
泡沫
pàomò名
foam; (soap) bubble; (economic) bubble
海浪留下了一层白色泡沫。
Hǎilàng liúxià le yì céng báisè pàomò.
The waves left a layer of white foam.
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Appears across levels (7-9) in the HSK 3.0 word list.