Valvotomy knives
[医] 瓣膜切开刀
🧩 词语组成解析
瓣膜切开术
knives
[[naivz]]
pl. 刀子
🗣️ 情景例句
We have closely connected with firms in USA.
我们同美国有良好的业务关系。
Have you offered him any candy?
你给他糖果吗？
I had a letter from my sister yesterday.
昨天我收到了姐姐的一封信，