英语词汇“pond scum”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	pond scum
释义	WordReference Random House Unabridged Dictionary of American English © 2024 pond′ scum′, Microbiologyany free-floating freshwater alga that forms a green scum on water. 1885–90 Collins Concise English Dictionary © HarperCollins Publishers:: pond scum n a greenish layer floating on the surface of stagnant waters, consisting of various freshwater algae
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