火车

I'd like to go there by train.

我想坐火车去那里。

I suppose that to go by train is cheaper,but I do not have much time.

我想乘火车更便宜一些，但是我没有那么多的时间。

I think that to go by train is cheaper, but I don''t have much time.

我想乘火车更便宜一些，但是我没有那么多的时间。

I / We went there by train.

我 / 我们乘火车去的。

I have arrived by train, I am coming to see you.

我刚下火车，"她说，"我这就来看你。

I will go to Beijing by train.

我将乘火车去北京。

I've just arrived by train,' she said.'I'm coming to see you.

我刚下火车，"她说，"我这就来看你。

If I were you, I would live in the city instead of going to work by train.

如果我是你，我就住在城市里，不必乘火车上班。

I'm going by the 9∶30 train.

我坐9∶30 的火车去。

I think perhaps I will go to Shanghai by train.

我想也许我将乘火车去上海。

Shop assistant: Please check at the door.

店员：请您到门口柜台交费。

In the end, transportation of PAHs in the environmental matrix was preliminarily investigated and discussed according to PAHs data of soils and sediments from a certain region in Shanghai. The result indicated that there are two or more pathways on PAHs transportation in the environmental matrix.

最后，对上海特定地区内PAHs在环境介质中的迁移径途进行了分析讨论，结果表明上海市土壤和沉积物等环境介质中PAHs的迁移存在多种途径。