Sphincters
(sphincter 的复数) n. 括约肌\\n[医] 括约肌
🗣️ 情景例句
I've always liked camping out.
我一直喜欢露营。
It won't fit; you'll have to go to the post office.
那不行，你必须去邮局才行。
Would you like to leave a message?
你要留话吗？