Fibersigmoidoscopy
纤维乙状结肠镜检查
🗣️ 情景例句
Who?
谁啊？
Theings past cannot be recalled.
过去的事情无可挽回。
The mower firmly refused to mow, so I decided to dismantle it.
修完后割草机还是纹丝不动。于是，我决定把它拆开。