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
Oh, Richard, it really isn't that bad.
喔 ，Richard ，事情没有那么糟。
She passed her competitive examination not without difficulty.
她好不容易才通过了答辩考试。
What's your name and address?
您的姓名和住址？