Screencasts
n. 截屏视频\\n
🗣️ 情景例句
What did I do with the rings?
我把戒指放哪儿了？
May I have your name?
请问你姓名？
Imagine a pen attached to the weight in such a way that its point rests upon a piece of paper on the floor.
假定把一支笔拴在重物上，笔尖落在地板上的一张纸上，