Illustraton
举例说明,例证
🗣️ 情景例句
I need to post a letter.
我得去寄封信。
It was after dark when we got back,and we were all tired.
我们回来时天已经黑了，并且我们都很疲倦。
What is more, this information line operates 24 hours a day.
而且，这种"问讯线路每天工作24小时。