Rectoscope
[医] 直肠镜
🗣️ 情景例句
I'm sorry, I don't really understand.
对不起，我真的听不懂。
To teeter-totter
玩跷跷板
The temperature drops to -- 30 o and very few people attempt to cross the Pass.
气温下降到零下30度，试图跨越山口的人寥寥无几。