Planula
n. [动]浮浪幼体
🔁 扩展释义
【医】 二胚层胚, 实囊幼虫(腔肠动物)
🗣️ 情景例句
and from the University of Michigan in 1956.
一九五六年从Michigan大学毕业。
Have but few frieds,though many acquaintances.
结交可以多，朋友应宜少。
I'll be about half an hour late.
我大概要慢半个小时。