Derailer
[电] 脱轨器
🗣️ 情景例句
I have to sign copies of my book for a lot of people
我还必须为许多人在我的书上签名
What's this?
这是什么？
Because the weather was very hot, he carried the bed on to the roof of his house.
由于天气很热，他便把床搬到了他的屋顶上。