Smith's operation
[医] 内障囊外摘除术(H.史密斯氏手术), 膝切断术(N.史密斯氏手术)
🧩 词语组成解析
🗣️ 情景例句
What's the book about?
这些书写什么？
It's faster but more expensive to ship goods by air.
空运较快但运费较高。
In a word，I am tired of everything.
总之，我对一切都很厌倦。