常見例句The zooplankton mainly contains copepodid, cladocerans and so on The zoobenthos mainly contains shell and limnodrilus nearly about 21 species. 浮游動物主要有橈足類、枝角類、輪蟲類等;底棲動物主要是蚌、螺類、水絲蚓等21種。copepodid larva 橈足幼體(動)copepodid stage 橈足幼體期 返回 copepodid