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
Please give me a general view first, will you?
首先，请给我一个大概的介绍，行吗？
Custom rules the law.
习俗影响法律。
She was totally exhausted.
她累垮了。