Sinus cavernosus
<拉>海绵窦
🧩 词语组成解析
n. 窦, 静脉窦, 凹陷处
🗣️ 情景例句
Good morning, sit down please.
早安，请坐。
I invited him ti come down, but he wouldn't.
我请他下来，但是他不肯。
So are the fish!
鱼也小呀！