Valva
[医] 瓣, 瓣膜
🗣️ 情景例句
What kind of personality do you think you have?
你认为你具有哪种性格？
Do you fly to Dallas on Sunday?
星期日你们有班机去达拉斯吗？
Excuse me. Are the hourse-drawn streetcars free?
对不起，这些马车是免费乘坐的吗？