I have traveled round the world by air.

我曾经乘飞机环游世界。

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今天的几个句子是有关乘飞机的：

1. Are you going by boat or by air ? 你是搭船去还是乘飞机去？

2. We finally decided not to go by air. 我们最后决定不乘飞机去。

3. I had better go by air. 我最好乘飞机去。

Are you going by boat or by air ?

i have traveled round the world by air

iwantto travel around the world by air

Areyougoingbyboatorbyair?

I'mgoingbyair.

--Are you going by boat or by air?

--I want to travel round the world by boat.

Are you going by train or by bus？

I think by train better than by bus！

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