Sphincter urethrae
[醫(yī)] 尿道括約肌
?? 詞語組成解析
n. 括約肌\\n[醫(yī)] 括約肌
尿道
??? 情景例句
You'd better watch your step or you'll get into trouble again.
你最好留點兒神， 免得再惹麻煩。
I have a strong throwing arm!
我的手臂力大無比。
Do you have anything like this in your stock?
你們庫存中有象這樣的東西嗎？