Antrum
n. 窦, 房\\n[医] 窦, 房
🗣️ 情景例句
Would you like to go see it?
你们要去看看吗？
He sketched the situation in a few vivid words.
他用几句生动的话概况了形势。
This time it was the postman and he wanted me to sign for a registered letter!
这次是邮递员，他要我签收一封挂号信！