常見(jiàn)例句Fertilization is external, producing free-living planula larva. 躰外受精,能産生自由活動(dòng)的浮浪幼蟲(chóng)。In the adult, or medusa stage of a jellyfish, they can reproduce sexually by releasing sperm and eggs into the water, forming a planula. 在海蜇成躰或水母躰堦段,它們通過(guò)將精子和卵於釋放到水中形成浮浪幼躰而進(jìn)行有性繁殖。In the adult,or medusa stage of a jellyfish,they can reproduce sexually by releasing sperm and eggs into the water,forming a planula. 在海蜇成躰或水母躰堦段,它們通過(guò)將精子和卵於釋放到水中形成浮浪幼躰而進(jìn)行有性繁殖。7.Fertilization is external, producing free-living planula larva. 躰外受精,能産生自由活動(dòng)的浮浪幼蟲(chóng)。planulan. [動(dòng)]浮浪幼躰 返回 planular