| 词汇 | pond scum |
| 释义 | pond scum noun [ U ] uk/ˈpɒnd ˌskʌm/ us/ˈpɑːnd ˌskʌm/ （池塘等水面上漂浮的）绿藻层 small plants that grow on the surface of a small area of water Scientists claimed that they had found a way to "grow" hydrogen gas from pond scum. 科学家宣称，他们找到了一种让池塘绿藻层 "生长"氢气的方法。 mainly US informal (UK informal usually pond life)无用的人;可鄙的人;平庸之辈 people that you do not like or respect at all He is an odious little piece of pond scum. 他就是个可恶的人渣。 |
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