Teac
[医] 氯化四乙铵
🗣️ 情景例句
I think I can stay at home
我觉得我可以待在家
I guess that's Ok. What time should I check in?
我想这正合适。我应该什么时候去办理登机手续呢？
What was the population of the more developed countries in 1950?
1950年较发达国家的人口是多少？