Valvotomy
瓣膜切开术
🗣️ 情景例句
I can't express myself very well in English.
我用英语表达不好。
That important man is very unassuming in his manner.
那个要人彬彬有礼，是一位毫不摆架子的人。
What a coincidence!
真是太巧了。