🗣️ 情景例句
We rely on the Earth for everyting we need to survive, so let's take care of it.
我们依赖地球获取我们生存的一切东西，因此让我们来细心呵护它。
How many passengers were on the train?
在火车上有多少旅客？
The meeting was scheduled for two hours, but it is not over yet.
会议原定了两个小时，不过现在还没有结束。