Sphincters
(sphincter 的复数) n. 括约肌\\n[医] 括约肌
🗣️ 情景例句
Thanks a lot.
多谢。
A creaking door hangs long on its hinges.
户枢不蠹。
which we may call respectively the tough and the gentle.
我们分别称之为强硬法和温柔法。