Petersen's operation
[医] 彼得逊氏手术(高位切石术的改良法)
🧩 词语组成解析
🗣️ 情景例句
I guess we must.
我想咱们是该开始了。
I found an excellent position through an employment agency.
我通过职业介绍所找到了一份很棒的工作。
But mine are better than yours. Look! Yours are green, and quite small.
但我的比你的好。瞧！你的是青的，而且很小。