Valvulae vasorum
[医] 淋巴管瓣
🧩 词语组成解析
[医] 瓣, 瓣膜
🗣️ 情景例句
A dime is 10 cents. It's one tenth of a dollar.
一角有十美分，是一美元的十分之一。
How come?
怎么会这样？
When did they live there?
他们什么时候住在那儿？