The air in the factory is filtered to remove impurities.
工厂里的空气经过过滤去除杂质。
I should not mind fresh air in a secret garden.
我不介意在一座秘密花园里呼吸新鲜空气。
The ball curved strangely in the air.
球在空中划出奇怪的弧线。
The ball looped high up in the air.
球高高飞起，在空中画了一条弧线。
The troops fired blanks in the air.
部队向空中放空弹。
I need to put some air in my tyres.
我需要给我的轮胎打些气。
There was an air of confidence in the England camp.
英格兰队阵营中信心十足。
I felt a current of cool air blowing in my face.
我感到一股凉气吹在脸上。
有种浪漫的气氛。
The family was killed in an air raid.
这家人在一次空袭中遇难。
The bird caught the insects in mid-air.
鸟在半空中捕捉了昆虫。
The bird stopped and hovered in mid-air.
这只鸟儿停下来，在半空中盘旋。
Rain played a big part in the air show's drop in attendance.
下雨是这次飞行表演观众数量下降的主要原因。
It was the second air disaster in the region in less than two months.
这是不到两个月内该地区内的第2起空难。
A cold draught of air blew in from the open window.
一股寒气从敞开的窗户吹了进来。
There's a bite in the air tonight.
今晚寒气刺骨。
There was great excitement in the air.
人人都感到了无比的激动。
Smoke hung in the air above the city.
城市上空烟雾弥漫。
Something unspoken hung in the air between them.
他们之间有些心照不宣的事还没有解决。
He was punching the air in triumph.
他得意扬扬地挥舞着拳头。
She gasped for air and drew in a lungful of water.
她倒吸气，吸了一大口水。
The scent of victory was in the air.
胜利在望。
Please open the window and let some fresh air in.
请把窗户打开，让新鲜空气进来。
These holes let the air in and keep the bugs out.
这些洞让空气进来，把虫子挡在外面。
Please write about the effect of tree planting on air in a city.
请写写植树对城市空气的作用。
With no air in space, how is that possible?
太空中没有空气，旗帜怎么可能飘起来？
This will suck air in as water drains during use.
它的作用是在热水器使用中水流出的时候吸入空气。
They not only pollute the air in cities, but make them crowed.
汽车不仅污染城市空气，而且使城市拥挤不堪。
They not only pollute the air in cities, but make them crowed.
汽车不仅污染城市空气，而且使城市拥挤不堪。
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