Will you travel by sea or by air?

你们乘船去，是乘飞机去？

The exhibits were delivered by air from all over the country.

这些展品是从全国各地动过来的。

Nor do they include already locked in warming hidden by air pollution.

它们也不包括被气污染所掩盖的气候变暖。

Nowadays, the first way someone will search for you is by air.

如今，中搜寻是搜救的首选方式。

Two billion children are currently affected by air pollution.

前，有20亿儿童正遭受气污染的响。

Do you want to mail it by air or by ordinary mail?

您是要寄是平？

Hi, Kevin, do you often travel by air?

嗨，凯文，你经常坐飞机旅行吗？

I used to travel by air a great deal when I was a boy.

我在幼年的时候，曾多次乘飞机旅行。

Unvoiced consonant sounds are made by air pushing through your mouth.

清辅音是气通过你的嘴巴进行发音的。

Hundreds of thousands of people see the canyon by air each year.

每年有成千上万的人乘飞机游览峡谷。

When normal flights began again, many people were too afraid to travel by air.

正常飞行开始时，许多人害怕乘飞机旅行。

We are sending you our sample by air parcel post.

我们正要用包寄我们的样品给你们。

You can now easily access Angkor Wat by air, and it has hotels nearby.

大家现在可以乘飞机轻松到达吴哥窟，并且附近有酒店。

Twenty-five thousand deaths per year are caused by air pollution.

每年有25‰的死亡原因是气污染。

The United States has announced new requirements for foreign nationals arriving by air.

美国宣布了对乘飞机抵达的外国公民的新要求。

And the government forces blocked inside could only be supplied by air.

而被封锁在内部的政府军只能通过中补给。

Some three million people traveled by air in the U.S. over the weekend.

周末，美国大约有300万人乘飞机旅行。

It claimed several missiles were shot down by air defense systems.

它声称有几枚导弹被防系统击落。

The fish draws this air out of the water by its gills.

金鱼是用鳃吸进水里的气的。

Its ability to carry many passengers meant more people could travel by air.

它能够搭载许多乘客，这意味着更多的人可以乘坐飞机旅行。