air /eə(r)/ n.
空气；大气；夸耀。
Roc went to Shanghai by air.
Roc乘飞机去上海。
up in the air
The future of this industry is still up in the air.
这个行业的前途未卜。
be walking/floating on air
He has been walking on air since he gained the scholarship.
自从获得了奖学金，他每天都得意洋洋。
aircraft /ˈeəkrɑːft/ n.
飞机；飞行器，航空器。
The airline is making progre【我.爱.线.报.网.】ss in quality to ensure safety on its aircrafts.
这家航空公司正在努力提升质量以保证飞机的安全。
airline /ˈeəlaɪn/ n.
航空公司
You can get more information here about Canada’s largest domestic and international airline Air Canada.
你可以从这里获得更多关于加拿大最大的国内国际航空公司——加拿大航空公司的信息。
airport /ˈeəpɔːt/ n.
机场
Beijing Capital International Airport is 【我.爱.线.报.网.】one of the Top 10 Airports in China.
北京首都国际机场是中国十大机场之一。
alarm /əˈlɑːm/ n. v.
警报；警报器；惊恐，惊慌；担忧。
The alarm goes off, and it’s time to get up.
闹钟响了，该起床了。
Citizens reacted with alarm to the news of the rapidly spreading of the COVID.
市民们对新冠状病毒迅速传播的消息很是担忧。
raise the alarm
The policeman raised the alarm to the jayw【我.爱.线.报.网.】alkers.
警察向乱穿马路者发出警告。
ring / sound alarm bells
The marks on the wall rang alarm bells in his mind.
墙上的记号引起了他的警觉。
album /ˈælbəm/ n.
（CD或唱片上的）音乐专辑；影集，相册；集邮册。
The photograph album reminds me of my life in the campus.
这本相册使我回忆起了我的大学生活。
alcohol /ˈælkəhɒl/ n.
酒精，乙醇；酒。
This beer contains 10% of alchol.
这款啤酒酒精含量是10%。
al【我.爱.线.报.网.】coholic /ˌælkəˈhɒlɪk/ adj.
含酒精的；酗酒者，嗜酒者。
His childhood was unhappy as his father was a real alcoholic.
他的童年很不幸，因为他爸爸是一个十足的酒鬼。
alive /əˈlaɪv/ adj.
活（着）的；在世的；仍然存在的。
The dog was hit by a car, and it’s still alive.
这条狗被车撞了，但它依然活着。
come alive
The shopping mall comes alive at the weekends.
每逢周末，购物中心就变得非常热闹。
alive wi【我.爱.线.报.网.】th something
The forest was alive with all kinds of mushrooms before that big fire.
在那场大火之前，这片森林到处都是各种各样的蘑菇。
all /ɔːl/ det., pron. , adv.
每一个；全部，全体；所有
all in all
All in all, the training program is great.
总的来说，这个培训项目还是非常不错的。
all good things must come to an end
I like this party very much, but all good things【我.爱.线.报.网.】 must come to an end.
我非常喜欢这次的聚会，但天下没有不散的宴席。
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