Collat
配页
🗣️ 情景例句
Exploring outer space is a challenge to mankind.
探索外层空间是一项向人类发出的挑战。
No. It's out of the question.
哪儿的话，根本谈不上赔。
Will you travel by sea or air?
你们乘船去，还是乘飞机去？