Kai
n. 卡伊（姓氏）
🗣️ 情景例句
Does this car have good fuel economy?
这种车省油吗？
Don't underestimate the difficulties of the work.
不要低估了这项工作的限巨性。
Of course. Good luck. Have a good trip.
一定。祝你好运。旅途愉快！