chaetoplankton的音标：chaetoplankton的英式发音音标为：[t'ʃi:təʊplæŋktʌn]chaetoplankton的美式发音音标为：[t'ʃitoʊplæŋktʌn]...

n.终生浮游生物...

The first organisms that reproduced sexually were free-floating plankton.最早开始有性繁殖的生物是四处漂浮的浮游生物。The fish live on the plankton.这种鱼靠吃浮游生物为生。Plankton is at the bottom of the marine food chain.浮游生物处于海洋食物链的最底层....

n.季节浮游生物，暂时性浮游生物...

She wept when he ran down the gangplank; sobbed as he stood on the dock, waving.他急步走下跳板,她哭个不停.他站在码头上挥手, 她还在呜咽.The surface of the gangplank was bossed to prevent slipping.跳板的表面被装上凸出物以防止滑动.He hurries down the gangplank to ...

We slammed the gate after them, wedging it shut with planks.他们出去后，我们在后面砰地把大门关上，并用板条抵死。The house was built solidly of rough wooden planks.这房子是用粗木板牢固地建造的.We sawed the log into planks.我们把木头锯成了木板....

中型浮游生物...

n.浮游生物...

Plankton and nekton are pelagic organisms.浮游生物和自游生物都是海面的生物.The fish live on the plankton.这种鱼靠吃浮游生物为生。Plankton is at the bottom of the marine food chain.浮游生物处于海洋食物链的最底层.Krill swam with the plankton , a school of young men...

Other plankton species in near equal numbers replaced calcareous microplankton as they died out.钙质微体浮游生物消亡时,已经有近乎等量的其它浮游生物种类代替它们了....