音标：['plænjulә] ；

n. [动]浮浪幼体

n the flat ciliated free-swimming larva of hydrozoan coelenterates

词型变化：名词复数形式 : planulas

planula的用法和样例：

例句

用作名词(n.)

In the adult, or medusa stage of a jellyfish, they can reproduce sexually by releasing sperm and eggs into the water, forming a planula.在海蜇成体或水母体阶段，它们通过将精子和卵于释放到水中形成浮浪幼体而进行有性繁殖。

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