| 例句 |
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。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 sponge obtains its necessary foodstuffs from the plankton.海绵从浮游生物身上摄取必需的养料。The fish live on the plankton.鱼靠吃浮游生物维持生存。 |