◆ BY is also used to talk about the transportation surface or the environment, for example, I went there by sea, by road, by air or by rail.

当涉及某种交通表面或环境时，也用BY，如by sea, by road, by air or by rail。

IN and ON are used to talk about a specific vehicle, but which one do we choose?

当谈论某种特定的交通工具时，使用介词IN和ON，但到底使用哪个呢？

in:

◆ IN is used to talk about the vehicle that we can sit in, but usually, there is no space to walk around, for example, in a car, in a truck, in a taxi, in a van, in a lorry, in an ambulance, in a rowboat or anything that is a small space that you can sit down in.

IN用于讨论我们能够坐进去的交通工具，但通常情况下，没有空间可以走动，例如，在汽车里，在卡车里，在出租车里，在面包车里，在货车里，在救护车里，在划艇里或任何可以让你坐进去的小型交通工具。

◆ I like listening to music in my car.

我喜欢在车里听音乐。

◆ Call me when you’re in the taxi.

上出租车后给我打电话。

on:

◆ ON is used to talk about a specific vehicle that you can get inside and walk around even when the vehicle is in motion, for example, on a bus, on a train, on a coach, on a plane, on a ship, or on a ferry.

ON用于谈论某种特定的交通工具，你可以进入内部，即使在交通工具行驶的过程中，你可在其内部走动，例如，在公共汽车上，在火车上，在长途汽车上，在飞机上，在船上，或在渡轮上。

I like working when I’m on the bus/train/plane.

乘坐公共汽车/火车/飞机时，我喜欢工作。

◆ Why do we say on a bike or motorbike, because we can’t get inside the bike or motorbike, but get on the seat of the bike or motorbike.

为什么骑自行车或摩托车(bike or motorbike)，我们选择介词ON, 因为我们无法进入自行车或摩托车内，而是坐到自行车或摩托车的座位上。

◆ In summer, in Beijing, you see a lot of people on bikes.

夏天在北京，你会看到很多人骑自行车。

◆ Please always wear a helmet when traveling on a motorbike.

乘坐摩托车时，请务必戴上头盔。

◆ People go there on a horse, on an elephant or on a camel or on a donkey or other animals.

人们骑着马、骑着大象、骑着骆驼、骑着驴子或其他动物去那里。

重点：

BY用来谈论一般意义上的交通方式，并且省去冠词。

ON与 IN 用于谈论使用某种特定的交通工具，且都需加上冠词或使用复数形式：

ON用来表示任何你可以坐进去并且有空间容许你走动的交通工具；bike, motorbike; 动物作为交通工具；特例on foot。

IN用来表示任何可以坐进去，但没有足够的空间容许你走动的交通工具。

三个介词都使用的例句，便于理解：

I went to Beijing in a taxi/by taxi/by road.

I went to Hangzhou on a boat/by boat/by sea.返回搜狐，查看更多