P-
[医] 对[位](化学)
🗣️ 情景例句
I've got it!
有啦！
Excuse me, I'd like to ask you a question.
对不起，我可以问个问题吗？
These satellites go round the earth and help us to learn more about the earth, the weather and other things.
这些卫星绕着地球转，帮助我们更好地了解地球、天气和其他情况。