详细解释:n. (总称)浮游生物
【医】 浮游生物
词型变化：
形容词:planktonic英语解释：
名词 plankton:
the aggregate of small plant and animal organisms that float or drift in great numbers in fresh or salt water例句：
Much to our surprise when the plankton entered the oyster tried very hard to expel the plankton. Within3-5 minutes, the movement of the heart became very abnormal and the oyster died at once.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。