Letraset
拉突雷塞印字[字母, 符号]传输系统
🗣️ 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
While we were having breakfast,John was talking on the telephone.
当我们正在吃早餐时，约翰正在打电话。
Yes, they are.
是的。