Bobby and Tina go to see their aunt.
波比和蒂娜去看望他们的姑妈。
Hello, Aunt Alice. This is Tina. How do we get to your house?
你好，爱丽丝姑妈。我是蒂娜，我们如何去你的家？
You can take the bus, Tina.
蒂娜，你们可以坐公共汽车过来。
OK.
好的。
They get on the bus.
他们坐上了一辆公共汽车。
Look! There are so many cars on the road.
看！路上的车真多啊。
Yes. They're going fast.
是啊，他们开的很快。
There is a red light. The bus stops.
红灯了。汽车停下来了。
Why does the bus stop here?
为什么汽车停了下来？
Look at the red light. It means we must stop.
看，那是红灯。红灯亮时，我们就得停车了。
Oh, I see.
我懂了。
The bus goes on, but soon it stops again.
汽车继续行驶，但是不一会儿又停了下来。
There aren't any traffic lights here. Why is the bus stopping again?
这里没有交通信号灯，为什么汽车又停了下来？
Look! Some elephants are crossing the road. We must stop and wait.
看！有些大象正在过马路。我们应该停车等他们先过马路。
