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
but there must be a way
但总该有一个办法
Foam plastics are applied to protect the goods against press.
泡沫塑料用来防止挤压。
The opinion does not survive experience of a popular Continental camping place.
但这种说法在受人欢迎的欧洲露营场地是站不住脚的。