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N-UNCOUNT
空氣；大氣
Air is the mixture of gases which forms the earth's atmosphere and which we breathe.
例句
Draughts help to circulate air...
穿堂風有助于空氣流通。
Keith opened the window and leaned out into the cold air.
基思打開窗戶，探出身到冷風中。
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N-SING
天空；空中；空間
The air is the space around things or above the ground.
例句
Government troops broke up the protest by firing their guns in the air...
政府軍隊朝天鳴槍驅散了抗議人群。
People's cigarette smoke seemed to hang in the air.
人們吸煙的煙霧似乎會長時間滯留在空氣中。
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N-UNCOUNT
空運；航空
Air is used to refer to travel in aircraft.
例句
Air travel will continue to grow at about 6% per year...
乘飛機旅行的人數將以每年大約6%的速度持續增加。
Casualties had to be brought to hospital by air.
傷者不得不用飛機送往醫院。
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N-COUNT
（簡單易記的）曲調，旋律
An air is a simple tune which can be easily recognized and remembered.
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N-SING
神態;感覺;總體印象;氛圍
If you say that someone or something has a particular air, you mean that they give this general impression.
例句
Jennifer regarded him with an air of amusement...
珍妮弗覺得他很風趣。
The meal gave the occasion an almost festive air.
這一餐使整個場合有了近乎節日般的喜慶氛圍。
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N-PLURAL
矯揉造作；裝腔作勢；做作
If you say that someone is putting on airs or giving themselves airs, you are criticizing them for behaving as if they are better than other people.
例句
We're poor and we never put on airs.
我們貧窮但從不裝腔作勢。
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VERB
（通過電視或無線電）播送，播放
If a broadcasting company airs a television or radio programme, they show it on television or broadcast it on the radio.
例句
Tonight PBS will air a documentary called 'Democracy In Action'.
今晚公共廣播公司將播放一部名為《民主進行時》的紀錄片。
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VERB
使公開；宣揚
If you air your opinions, you make them known to people.
例句
They sat for more than six hours, and both sides agreed they had aired all their differences...
他們一起坐了六個多小時，而且雙方都認為他們已經表達了所有的不同意見。
The whole issue was thoroughly aired at the meeting.
在會上完全公開了整個問題。
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VERB
使通風
If you air a room or building, you let fresh air into it.
例句
One day a week her mother systematically cleaned and aired each room.
她母親按部就班地每周一次清掃所有的房間并開窗通風。
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VERB
烘干（衣物、被褥）
If you air clothing or bedding, you put it somewhere warm to make sure that it is completely dry.
例句
When the shirts were clean, I ironed them myself, aired them and placed them in drawers in his room.
襯衫洗干凈之后，我自己將它們熨好、烘干并放在他房間的抽屜里。
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PHRASE
消除分歧;解決問題
If you do something to clear the air, you do it in order to resolve any problems or disagreements that there might be.
例句
...an inquiry just to clear the air and settle the facts of the case.
一項只為消除疑團并弄清案件事實而進行的調查
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PHRASE
大模大樣;擺架子;裝腔作勢
If you refer to someone's airs and graces, you mean that they behave in a way that shows that they think they are more important than other people.
例句
The old cliché of the customer being always right is what gives them airs and graces.
“顧客總是對的”這種陳詞濫調讓他們變得趾高氣揚。
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PHRASE
可感覺到;可被意識到
If something is in the air it is felt to be present, but it is not talked about.
例句
There was great excitement in the air...
人人都感到無比激動。
She walked away and left the question hanging in the air.
她走開了，將疑問留在人們心里。
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PHRASE
播送（廣播、電視節目）；（廣播、電視節目）播放/停止播放
If someone is on the air, they are broadcasting on radio or television. If a programme is on the air, it is being broadcast on radio or television. If it is off the air, it is not being broadcast.
例句
She is going on the air as presenter of a new show...
她即將上電視主持一檔新節目。
Rockwell hopes the program can be on the air within a year...
羅克韋爾希望該節目能在一年內播出。
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PHRASE
（消失得）無影無蹤/突然神秘地（出現）
If someone or something disappears into thin air, they disappear completely. If someone or something appears out of thin air, they appear suddenly and mysteriously.
例句
'But where could they have gone?' he demanded. 'They can't just vanish into thin air!'...
“但是他們可能去哪里呢？”他追問道，“他們不可能就神秘消失了!”
He had materialized out of thin air; I had not seen or heard him coming.
他突然間神秘地出現了；我既沒看見他來，也沒聽見他的腳步聲。
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PHRASE
懸而未決；未決定
If you say that a decision or a situation is up in the air, you mean that it has not yet been completely settled or planned.
例句
He told reporters today that the president's trip to Moscow is up in the air.
今天他告訴記者們總統是否前往莫斯科尚未確定。
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PHRASE
非常高興；興高采烈
If you say that you are walking on air or floating on air, you mean that you feel extremely happy about something.
例句
As soon as I know I'm in the team it's like I'm walking on air.
一得知我加入了這個隊，我高興得像飛上了天。