| 单词 | self-purification |
| 释义 | self-purificationself-purification[ˈselfpjuərifiˈkeiʃən]n.1.■自净(作用) 特殊用法biological self-purification1.■生物自净作用self-purification of seawater1.■海水自净(作用)self-purification of water body1.■水体自净(作用) |
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