Sphincter muscle
括约肌
🧩 词语组成解析
n. 括约肌\\n[医] 括约肌
🗣️ 情景例句
Thanks, Ellen.
谢谢， Ellen。
I can't say for certain off-hand.
我还不能马上说定。
The officer unscrewed the cap and put the bottle to his nostrils.
海关官员拧开瓶盖，把瓶子放到鼻子底下。