Kev
[医] 千电子伏特
🗣️ 情景例句
We should have done it sooner.
我们早就该取下来的。
How much is a hair cut?
剪一次头发要多少钱？
It's Jim. He's in that tree. He can't get down. Can you help him?
是吉姆，他在树上，下不来了，你能帮他吗？