Will you travel by sea or by air?

你们乘船去，还是乘飞机去？

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

这些展品是从全国各地空动过来。

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

它们也不包括被空气污所掩盖气候变暖。

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

如今，空中搜寻是搜救首选方式。

Two billion children are currently affected by air pollution.

目前，有20亿儿童正遭受空气污。

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

您是要寄空邮还是平邮？

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.

清辅音是空气通过你嘴巴进行发音。

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

每年有成千上万人乘飞机游览峡谷。

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.

我们正要用邮包寄我们样品给你们。

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，并且附近还有酒店。

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

每年有25‰死亡原因是空气污。

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

美国宣布了对乘飞机抵达外国公民新要求。

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

而被封锁在内部政府军只能通过空中补给。

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空系统击落。

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

金鱼是用鳃吸进水里空气。

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

它能够搭载许多乘客，这意味着更多人可以乘坐飞机旅行。