空气
近义词与同义词
按词义分组列出，使用时请结合具体语境。
a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of; "air pollution"; "a smell of chemicals in the air"; "open a window and let in some air"; "I need some fresh air"
the envelope of gases surrounding any celestial body
the mass of air surrounding the Earth; "there was great heat as the comet entered the atmosphere"; "it was exposed to the air"
基本解释
①构成地球周围大气的气体。无色，无味，主要成分是氮气和氧气，还有极少量的氡、氦、氖、氩、氪、氙等惰性气体和水蒸气、二氧化碳等。②气氛学习～浓厚ㄧ不要人为地制造紧张～。