plankton的解释n.浮游生物plankton的例句Muchtooursurprisewhentheplanktonenteredtheoystertr iedveryhardtoexpeltheplankton.Within3-5minutes,themovementoftheheartbecameveryabnormalandtheoysterdiedatonce.意想不到的是当浮游生物进入蚌体时，珠蚌的排异性非常强，3到5分钟之内，蚌的心脏运动异常并很快死亡。Planktonthatr emainsfree-swimmingthroughallstagesofitslifecycle.终生浮游生物一种在其生命的所有阶段可自由游动的浮游生物
