Valvotomy
瓣膜切开术
🗣️ 情景例句
Is there a station near here?
附近有地铁站吗？
He is embarrassed because he made a mistake.
他因为弄错而显得很窘。
Two factors weigh heavily against the effectiveness of scientific research in industry.
两个因素严重地影响工业里科学研究的效果：