atmosphere 指围绕有的星球，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。
参考例句
1. The director cleverly atmosphered the film for added chills. 导演手法巧妙地着意渲染使电影更增添恐怖气氛。
2. Atmosphere and its structure. 大气和大气结构。
3. The atmosphere, therefore, is the thing. 所以气氛是重要的东西。
英英解释
n.
1. a particular environment or surrounding influence
2. a unit of pressure: the pressure that will support a column of mercury 760 mm high at sea level and
3. the mass of air surrounding the Earth
4. the weather or climate at some place
5. the envelope of gases surrounding any celestial body
6. a distinctive but intangible quality surrounding a person or thing
