Hahn's operation
[医] 哈恩氏手术(胃切开治贲门或幽门狭窄)
🧩 词语组成解析
🗣️ 情景例句
with my own two hands, practically.
差不多是独自完成的。
Guess!
猜猜看！
The most wonderful piece of machinery on show was Nasmyth's steam hammer.
其中最奇妙的是内史密斯的蒸汽锤。