Jansen's operation
[医] 扬森氏手术(额窦手术)
🧩 词语组成解析
🗣️ 情景例句
Good evening, how may I help you sir?
晚上好，你需要帮助吗？
He didn't enjoy losing the game of chess.
他因为下棋输了而索然无味。
The key to a solution of that problem lay in an everyday observation.
可以从我们的日常生活观察中找到这个问题的答案。