air的读法
[英]：[eə(r)]
[美]：[er]
n.天空；气氛；空运；（简单易记的）曲调
vt.& vi.晾晒；烘干；播送； 广播
vt.使房间通风,透气
第三人称单数：airs
过去分词：aired
复数：airs
现在进行时：airing
过去式：aired
例句：
1.Get a little fresh air.
不时来点新鲜的空气.
2.Pollens travel in the air.
漂浮于空中的花粉.
3.Minimize exposure to chemicals and outdoor air pollution.
尽可能减少化学制品和大气污染物的吸入.
4.How often should I change my air filter?
多久该换一次空滤呢?
5.Dinosaurs,insects and mammals took to the air.
恐龙、昆虫和哺乳动物飞上了天空.
