Proctosigmoidoscopy
[医] 直肠乙状结肠镜检查
🗣️ 情景例句
It's mostly young people who take part.
参加活动的绝大多数是年青人。
May I use the telephone?
我能用一下电话吗？
How long are you planning to stay over here?
你打算在这里呆多久？