| 单词 | 自泳生物 |
| 释义 | 〔nekton〕The collection of marine and freshwater organisms that can swim freely and are generally independent of currents, ranging in size from microscopic organisms to whales.自泳生物：能自由游动且不依靠水流的海中和淡水生物的总称，包括微生物乃至鲸鱼 |
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