Krause's valves
[醫(yī)] 克勞澤氏瓣, 貝羅氏瓣(淚囊襞)
?? 詞語組成解析
n. 閥門；真空管；瓣膜（valve的復數(shù)）
??? 情景例句
How come he never got married?
為什么他不結婚？
Shall I turn on the television?
我可以打開電視機嗎？
The children were running to move the bag of rice when they heard the sound of a motorbike.
孩子們跑去搬那包大米，這時他們聽到摩托車的聲音。