你坐在一辆公共汽车上或一列火车上，可以看到，每个人都坐在…

You can go on a bus, or in a train, and everyone sits looking out of the window.

youdao

你坐在一辆公共汽车上或一列火车上，可以看到，每个人都坐在…

You can go on a bus, or in a train, and everyone sits looking out of the window.

youdao