n.大气；空气；气氛；气压

The burning of fossil fuels results in the pollution of the atmosphere. 矿物燃料的燃烧导致了大气污染。

The atmosphere of the city is very much polluted. 那个城市的空气受到严重污染。

The atmosphere is very stuffy here and can we open a window? 这里的空气很闷,咱们能打开一扇窗吗？

The atmosphere changed as soon as she walked in. 她一进来气氛就变了。

The atmosphere pressure gradient is an inverse measure of the spacing of the isobars on a weather map. 气压梯度与天气图上等压线的间隔大小成反比。

The water droplets ejected by the gun expand in the atmosphere because it is at lower pressure than the air used to make the droplets. 由于大气气压比造雪炮中气压低，雪炮中的水滴被喷射到空气中。