基本释义:
n.自游生物
实用例句
Fishes, crabs, octopus, are part of nekton.
鱼类 、 蟹类 、 章鱼都是自游动物的组成部分.
辞典例句
Plankton and nekton are pelagic organisms.
浮游生物和自游生物都是海面的生物.
辞典例句
英英释义
Noun1. the aggregate of actively swimming animals in a body of water ranging from microscopic organisms to whales