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
My favorite hobby is coin collecting.
我最大的爱好是收集硬币。
You're sure of passing the exam if you work hard.
只要用功，主汪定能考及格。
What will be the population of the world in the year 2000?
2000年世界人口将是多少？