Olts
[计] 联机测试系统
🗣️ 情景例句
I frankly don't know what to do about it.
我真不知道该怎么解决。
I'm very sorry. Can I get you another one?
非常抱歉。能不能另外给你买一条呢？
The bird covered the distance in three minutes.
这只鸟只用了3分钟就飞完了全程。