Olts
[计] 联机测试系统
🗣️ 情景例句
It would be a great business if you could do that.
假如你能办到那样的话， 可是一笔大生意。
Please speak more slowly.
请说得慢一些。
I was alone，but not lonely.
我独自一人，但并不觉得寂寞。