名词空运; 天空; 气氛; （简单易记的）曲调

及物/不及物动词晾晒; 烘干; 播送; 广播

及物动词使房间通风， 透气

1. 空气；大气
Air is the mixture of gases which forms the earth's atmosphere and which we breathe.

e.g. Draughts help to circulate air...
穿堂风有助于空气流通。
e.g. Keith opened the window and leaned out into the cold air.
基思打开窗户，探出身到冷风中。

2. 天空；空中；空间
The air is the space around things or above the ground.

e.g. Government troops broke up the protest by firing their guns in the air...
政府军队朝天鸣枪驱散了抗议人群。
e.g. People's cigarette smoke seemed to hang in the air.
人们吸烟的烟雾似乎会长时间滞留在空气中。

3. 空运；航空
Air is used to refer to travel in aircraft.

e.g. Air travel will continue to grow at about 6% per year...
乘飞机旅行的人数将以每年大约6%的速度持续增加。
e.g. Casualties had to be brought to hospital by air.
伤者不得不用飞机送往医院。

4. （简单易记的）曲调，旋律
An air is a simple tune which can be easily recognized and remembered.

5. 神态;感觉;总体印象;氛围
If you say that someone or something has a particular air, you mean that they give this general impression.

e.g. Jennifer regarded him with an air of amusement...
珍妮弗觉得他很风趣。
e.g. The meal gave the occasion an almost festive air.
这一餐使整个场合有了近乎节日般的喜庆氛围。

6. 矫揉造作；装腔作势；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.

e.g. We're poor and we never put on airs.
我们贫穷但从不装腔作势。

7. （通过电视或无线电）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.

e.g. Tonight PBS will air a documentary called 'Democracy In Action'.
今晚公共广播公司将播放一部名为《民主进行时》的纪录片。

副词向前; 前进地; 至将来; 提前地

形容词向前方的; 迅速的; （社会、政治）进步的; 早熟的

及物动词促进，助长; （按新地址）转寄; 发送

名词前锋

形容词高兴的，乐意的; 令人高兴的，使人愉快的; （风光）明媚的，（景色）美丽的; 充满欢乐的，兴高采烈的

及物动词使高兴

1. 高兴的；愉快的
If you are glad about something, you are happy and pleased about it.

e.g. I'm glad I relented in the end...
我很高兴自己的态度最终缓和了下来。
e.g. The people seem genuinely glad to see you...
这些人见到你好像发自内心地感到喜悦。

名词百万

形容词百万的; 无数的

名词宽慰，安心; 免除，减轻; 救援物资; 代班人

1. 宽慰;安心;欣慰;解脱
If you feel a sense of relief, you feel happy because something unpleasant has not happened or is no longer happening.

e.g. I breathed a sigh of relief...
我如释重负地松了口气。
e.g. The news will come as a great relief to the French authorities...
这个消息会让法国当局大大松一口气。

2. (疼痛或苦痛的)解除，免除，减轻，缓解
If something provides relief from pain or distress, it stops the pain or distress.

e.g. This brought considerable relief from the pain.
这相当大地缓解了疼痛。
e.g. ...a self-help programme which can give lasting relief from the torment of hay fever.
可以持续缓解枯草热病痛的自助项目

3. 救济;救援物资
Relief is money, food, or clothing that is provided for people who are very poor, or who have been affected by war or a natural disaster.

e.g. Relief agencies are stepping up efforts to provide food, shelter and agricultural equipment.
救济机构正加大力度提供食物、住所和农用器械。
e.g. ...famine relief.
饥荒救济

4. 代班人;换班工人
A relief worker is someone who does your work when you go home, or who is employed to do it instead of you when you are sick.

e.g. No relief drivers were available.
找不到代班司机。

5. 浮雕
A relief is a sculpture that is carved out of a flat vertical surface.

6. see also: bas-relief;tax relief

名词赌注; 头奖，最大成功; 积累的赌金; 困境

1. （游戏或彩票的）头奖，最高奖；（尤指游戏中的）累积赌注金
    A jackpot is the most valuable prize in a game or lottery, especially when the game involves increasing the value of the prize until someone wins it.

    e.g. A nurse won the ￡5 million jackpot.
           一个护士赢得了500万英镑的头奖。

2. 取得巨大成功；赢了一大笔钱；交好运
    If you hit the jackpot, you have a great success, for example by winning a lot of money or having a piece of good luck.