Valvulae venarum
[医] 静脉瓣
🧩 词语组成解析
[医] 瓣, 瓣膜
🗣️ 情景例句
I've been looking forward to meeting your husband, Mrs. Stewart.
我一直希望能见到 先生 Stewart太太。
How much is a hair cut?
剪一次头发要多少钱？
It was Wednesday.
昨天是星期三。