nekton

详细解释:n. 自泳动物

词型变化：

形容词:nektonic

英语解释：

名词 nekton:

the aggregate of actively swimming animals in a body of water ranging from microscopic organisms to whales

详细解释：

nek.ton

n.（名词）
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

来源：
Greek nôkton [neuter of] nôktos [swimming]
希腊语 nôkton [] nôktos的中性 [游动着]
from nôkhein [to swim] * see sn3-
源自 nôkhein [游动] *参见 sn3-

【引伸】
nekton.ic