... fish farm worker 释义:渔场工人 fish swim-bladder 释义:鱼鳔 fish herpetovirus 释义:鱼疱疹病毒 ...
双语例句
1
They must also keep swimming to keep from sinking, since most have largely or completely lost the swimbladder, the gas-filled sac that helps most other fish remain buoyant.