Mvl
[医][=mitral valve leaflet]二尖瓣叶
🗣️ 情景例句
Never gamble if you can't afford to lose.
如果你输不起的话，永远不要赌博。
The days are getting longer.
白天越来越长了。
So it is! Lily, did you hear what I said?
是呀！莉莉，你听见我的话了吗？