transportation transformation可数吗

1 thunder in and out 轰隆轰隆进进出出

Trains are thundering in and out all the time at a subway station.

地铁车站上列车进进出出， 整天轰隆轰隆地响个不停。

2 doze on the train 在火车上半睡

I just dozed on the train. 我在火车上处于半睡状态。

3 whoosh by the station 在车站飞速驶过

A train whooshed by the station just now. 刚有一列火车从车站飞速驶过。

4 trip lightly into a bus 轻快地跳上公交车

He tripped lightly into a bus. 他轻快地跳上公共汽车。

5 double-decker bus 双层巴士

If you ride on a double-decker bus you can see more things from the top deck. 坐在双层巴士的上层位置上，可以看到更多车外景色。

6 exercise leg muscles 锻炼腿部肌肉

When you ride a bike, you exercise all of the leg muscles.

骑自行车时，你可以锻炼腿部的全部肌肉。

7 pull into a station 驶入车站

The train pulled into a station. 那列火车驶入了一个车站。