nekton
/ˈnektɒn/noun
mass noun
- Zoology aquatic animals that are able to swim and move independently of water currents【动】游泳生物, 自泳生物。常与PLANKTON相对。
派生词
nektonic
adjective词源
late 19th cent.: via German from Greek nēkton, neuter of nēktos 'swimming', from nēkhein 'to swim'.