Ridley's sinus
[医] 里德利氏窦, 环状窦
🧩 词语组成解析
n. 窦, 静脉窦, 凹陷处
🗣️ 情景例句
and then we'll figure out what to do today.
然后我们再决定今天做些什么。
I'm not kidding.
我不是开玩笑。
The policemen could not cope with the crowds.
警察无法对付群众。