air

air — 名詞

1. the invisible blend of gases — mostly oxygen with nitrogen — which covers our pl

1.名詞A2
釋義

空氣

包圍地球、可供呼吸的氣體

the invisible blend of gases — mostly oxygen with nitrogen — which covers our planet and which living creatures must pull into the lungs in order to stay alive.

例句

Sven opened the kitchen window to let in some fresh air.

Sven 打開廚房窗戶,讓一些新鮮空氣進來。

collocation: fresh air

The factory near our school pumps dirty smoke into the air.

學校附近的工廠把髒煙排到空氣中。

collocation: into the air

同義詞
  • atmosphere

    more scientific or technical, refers to the whole layer of gas around Earth

  • oxygen

    only the gas we breathe in, not the full mixture

用法筆記

Almost always uncountable. Use 'the air' when speaking about the air around you in a specific place.

常見錯誤

I need an air.
I need some fresh air.
💡'air' is uncountable, so use 'some' rather than 'an'.

2. the open empty area up above us — for example, where birds fly past a window or

2.名詞A2
釋義

空中;天空

地面上方的開放空間

the open empty area up above us — for example, where birds fly past a window or a thrown ball travels before it lands.

例句

When the team scored, Ines threw her cap high into the air.

球隊得分時,Ines 把帽子高高拋向空中。

into the air after a verb of throwing

A flock of geese passed over the lake, low in the air.

一群雁低飛掠過湖面上空。

同義詞
  • sky

    usually the higher area where clouds and planes are seen

  • space

    more general, can mean any empty area, not only above the ground

反義詞
  • ground

    the surface of the Earth below us

文法句型

into the air

in the air

用法筆記

Distinguish from sense 1 (the gas itself): here the focus is on the open space above ground, not on what we breathe.

3. the height that a player or athlete reaches above the ground when jumping or sen

3.名詞B2
釋義

騰空高度

跳躍或擊球時離地的高度

the height that a player or athlete reaches above the ground when jumping or sending a ball upward, often used in sports talk.

例句

The young snowboarder caught huge air off the ramp at the X Games.

那位年輕滑雪板選手在 X Games 的跳台上跳得超高。

informal sports collocation: catch + air

Eitan's serve got plenty of air before dropping just inside the line.

Eitan 的發球騰得相當高,剛好落在界內。

get + air for ball flight

同義詞
  • height

    more general; works in any context, not only sports

  • hang time

    very informal; specifically the seconds spent in the air

文法句型

get + air

catch + air

用法筆記

Mainly informal sports register (skateboarding, snowboarding, basketball). Often used with 'get', 'catch', or 'big/huge'.

4. the way of moving people or goods by using planes or other aircraft, rather than

4.名詞A2
釋義

空運;搭飛機

以飛機運送或旅行的方式

the way of moving people or goods by using planes or other aircraft, rather than by road, ship, or rail.

例句

The fresh tuna from Hokkaido was sent to Taipei by air the same morning.

北海道的新鮮鮪魚當天上午就空運到台北。

by air for transport method

Travel by air has become much cheaper since low-cost airlines arrived in Asia.

自從廉價航空進入亞洲後,搭飛機旅行便宜了許多。

travel by air as a noun phrase

同義詞
  • aviation

    formal; usually about the whole industry, not a single trip

  • flight

    usually counts as a single journey ('a flight'), not the general method

反義詞
  • by sea

    transport using ships

  • by land

    transport using cars, trains, or trucks

文法句型

by air

用法筆記

Almost always appears in the fixed pattern 'by air'. Distinguish from sense 2: here the meaning is the method of travel, not the physical space above ground.

常見錯誤

We went there by the air.
We went there by air.
💡drop the article in the fixed phrase 'by air'.

5. a particular feeling, mood, or quality that a person, place, or thing seems to g

5.名詞C1
釋義

氣質;氛圍

人或地方散發出的特定感覺

a particular feeling, mood, or quality that a person, place, or thing seems to give out — for example, a quiet street that feels mysterious, or a guest who looks confident.

例句

The old library on Hill Road has an air of mystery, even on sunny afternoons.

Hill Road 上那座老圖書館即使在晴朗的午後,仍透著神秘的氛圍。

an air of + abstract noun

Despite losing the match, the captain kept an air of calm in front of reporters.

雖然輸了比賽,隊長在記者面前仍保持鎮定的神情。

an air of + emotion noun

同義詞
  • atmosphere

    usually about a place rather than a person

  • manner

    focuses on how someone behaves, not the impression they give

  • aura

    stronger and more mysterious in tone

文法句型

an air of + noun

用法筆記

Almost always singular and used with 'an' plus an 'of'-phrase ('an air of confidence'). Distinguish from sense 1 (the gas): the wording 'an air of' is a strong signal of this metaphorical meaning.

常見錯誤

She has airs of confidence.
She has an air of confidence.
💡singular 'an air of', not plural.

6. the situation of currently being sent out by a radio station, TV channel, or sim

6.名詞B2
釋義

播出中

正在或停止廣播電視播出的狀態

the situation of currently being sent out by a radio station, TV channel, or similar broadcaster, used in the fixed phrases 'on the air' and 'off the air'.

例句

Stay quiet — Uri is on air in thirty seconds.

請保持安靜,Uri 三十秒後就要上節目了。

on air just before live broadcast

The morning show has been on the air every weekday since 1998.

這個晨間節目自 1998 年以來,每個工作日都持續播出。

on the air over a long period

同義詞
  • broadcast

    more general; can be a verb or noun about transmitting programmes

  • live

    stresses real-time, not recorded

反義詞
  • off air

    not currently being broadcast

文法句型

on (the) air

off (the) air

用法筆記

Only used in the fixed expressions 'on (the) air' and 'off (the) air'. Distinguish from verb sense 3 ('to air a programme'): this noun sense names the state, not the action of broadcasting.

常見錯誤

The show was at air at 8pm.
The show was on air at 8pm.
💡the preposition is 'on', not 'at'.

7. a short, often gentle musical piece with a clear melody, used mainly in older or

7.名詞C2
釋義

詠嘆調;曲調

短而抒情的古典音樂旋律

a short, often gentle musical piece with a clear melody, used mainly in older or classical music writing — for example, a slow song for one voice or one instrument.

例句

Bach's Air on the G String is one of the most loved melodies in classical music.

巴哈的《G 弦上的詠嘆調》是古典音樂中最受人喜愛的旋律之一。

title use: Air on the G String

The young soprano performed a soft Italian air at the recital.

那位年輕女高音在獨唱會上演唱了一首柔和的義大利曲調。

同義詞
  • tune

    everyday word for a series of musical notes

  • melody

    the main musical line; more general than 'air'

  • aria

    a long solo song in opera, not a short air

用法筆記

Literary and musicology register; mainly seen in pieces from the 17th to 19th century. In everyday English, use 'tune' or 'melody' instead.

air — 動詞