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
Or helped you?
还是帮助你？
How long has it been since you've heard from your uncle?
自从你听到叔叔的消息有多长时间了？
The best time to come to China is in spring or autumn.
到中国来，最好的时间是在春天或者秋天。