Valvotomy
瓣膜切开术
🗣️ 情景例句
I turned to him for advice.
我请求他提供高见。
Nothing comes from (or of) nothing.
无风不起浪。
It had been purchased by a local authority so that an enormous pie could be baked for an annual fair.
某地方当局买下它用来焙制一个巨大的馅饼为一年一度交易会助兴。