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单词 nekton
释义
nek·ton (nĕktən, -tŏn)
n.
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.

[Greek nēkton, neuter of nēktos, swimming, from nēkhein, to swim; see snā- in the Appendix of Indo-European roots.]

nek·tonic (-tŏnĭk) adj.
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更新时间:2024/11/13 10:25:40