🗣️ 情景例句
You don't need to do that, Grandpa.
你不用这样，爷爷。
How can you be so stubborn?
怎么那么死脑筋？
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。