Bell's muscle
[医] 贝耳氏肌, 输尿管括约肌(在膀胱内)
🧩 词语组成解析
🗣️ 情景例句
You're welcome.
不用谢
It is said that a new policy is being put into practice in your foreign trade.
据说你们正在实施一种新的对外贸易政策。
What's wrong?
怎么回事？