Cava
[医] 腔, [空]洞, 腔静脉
🏥 医学释义
①腔，洞， ②腔静脉
🗣️ 情景例句
Dinner's on me.
晚饭我请客。
I know the boy whose father is a captain.
我知道那个男孩的父亲是船长。
The wooducutter was standing next to a fallen tree, with lots of small pieces of wood in front of him.
伐木工人正站在一棵倒下的树旁，他的前面有很多小片的木头。