Pollock's operation
[医] 波洛克氏手术(膝关节切肢术)
🧩 词语组成解析
🗣️ 情景例句
I have been learning English for three years now.
我学英语有3年了。
And the problems that some of us have had in the past year.
和去年我们一些人遇到的问题。
Oh, yes, it's mine! Thanks a lot.
啊，是的，它是我的！非常感谢。