Copan
考潘轴承合金
🗣️ 情景例句
And, Carl, you join in at any time.
还有Carl， 你随时都可以加入。
We learn not at school, but in life.
学习不在校，而在生活中。
It is only 380,000 kilometres away, and it has been visited by man already.
已经有人到过月球旅行了。