Planulae
n. 实囊幼虫；浮浪幼体
🗣️ 情景例句
Stone has been out of work for three months.
世通已失业三个月了。
If he doesn't, will you fix it?
如果他不，你会修理它吗？
I am used to traveling by air and only on one occasion have I ever felt frightened.
我习惯了乘飞机旅行，只是有一次把我吓坏了。