🗣️ 情景例句
How long does it take you to get through a letter?
你写一封信要花多少时间？
If I had known her telephone number, I would have called her.
如果我知道她的电话号码，我就给她打电话了。
The efficiency is greatly raised,and the intensity of labor is decreased.
工作效率大大地提高了，而劳动强度却降低了。