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。
So we know his plankton is very dangerous.
可见浮游生物是非常危险的。
plankton that remains free-swimming through all stages of its life cycle.
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
