1·He adopted an air of indifference.
他摆出一副满不在乎的样子。
—— 《牛津词典》
2·She exudes an air of relaxed calm.
她洋溢着一副从容平静的神情。
—— 《柯林斯英汉双解大词典》
3·He managed to assume an air of calm.
他设法表现出一幅平静的样子。
—— 《柯林斯英汉双解大词典》
4·An air hostess came by and explained the situation.
一位空中小姐过来解释了情况。
5·For the same reason, tornado cellars musy have an air opening.
出于同样的原因，龙卷风的地下室通常有一个通风口。
6·For the same reason, tornado cellars must have an air opening.
出于同样的原因，防风窖必须有一个通风口。
7·The teacher asked him to draw an air alphabet with his fingers.
老师让他用手指凭空画一个字母表。
8·Not to do so gave the affair an air of mystery that he disliked.
不这么做会使事情带上一层他不喜欢的神秘色彩。
9·It's an air cleaning machine connected to a bicycle and is part of the Smog Free Project.
这是一台连接到自行车上的空气净化机，是雾霾净化项目的一部分。
10·He assumed an air of concern.
他装出关心的样子。
—— 《牛津词典》