Exin
外膜
🗣️ 情景例句
Hi, Betty. I'll be at five five five...seventeen twenty.
好 Betty 我的号码是555-1720。
The doctor is afraid there is no hope for him.
医生担忧他已经无望了。
What was the population of the more developed countries in 1950?
1950年较发达国家的人口是多少？