air

atmosphere, air, gas

这些名词均与空气有关。
atmosphere: 指围绕星球，特别是围绕地球的空气，即大气层。也可指环境气氛。
air: 指空气，也泛指一般气体。
gas: 指气态物，尤指供燃烧取暖或照明的气体，其中一部分称作瓦斯。

attitude, air, manner

这些名词均含“态度、风度”之意。
attitude: 普通用词，指对人或事情的看法和采取的行为，多有某种不很明确或不便明说的感情色彩。
air: 含义广泛。单数形式指某人脸上表现出的心理活动，或言谈举止；复数形式指某人故意做作而摆出的架子。
manner: 多指某人在某一场合的言谈举止等。

名词 air:

1. a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of
2. travel via aircraft
   同义词：air travel, aviation
3. the region above the ground
4. medium for radio and television broadcasting
   同义词：airwave
5. a slight wind (usually refreshing)
   同义词：breeze, zephyr, gentle wind
6. a distinctive but intangible quality surrounding a person or thing
   同义词：aura, atmosphere
7. the mass of air surrounding the Earth
   同义词：atmosphere
8. a succession of notes forming a distinctive sequence
   同义词：tune, melody, strain, melodic line, line, melodic phrase
9. once thought to be one of four elements composing the universe (Empedocles)

动词 air:

1. expose to fresh air
   同义词：air out, aerate
2. be broadcast
3. broadcast over the airwaves, as in radio or television
   同义词：send, broadcast, beam, transmit
4. make public
   同义词：publicize, publicise, bare
5. expose to warm or heated air, so as to dry
6. expose to cool or cold air so as to cool or freshen
   同义词：vent, ventilate, air out

形容词 air:

1. relating to or characteristic of or occurring in the air

1. There was an air of excitement at the meeting.
   开会时气氛显得有些兴奋。
2. The fresh air in the morning made him feel glad.
   早晨的新鲜空气使他觉得愉快。
3. I shall travel to New York by air this weekend.
   这个周末我将要乘飞机去纽约旅行。
4. We aired the room by opening the window.
   我们打开窗户，使房间通风。