the envelope of gases surrounding the earth or another planet (地球或其他星球周围的)大气层 part of the sun's energy is absorbed by the earth's atmosphere. 太阳的部分能量被地球的大气层所吸收。 ■the air in any particular place (特定场所的)空气 the atmosphere was unbreathable with cigar smoke. 空气里充满了雪茄的烟味,无法呼吸。 ■(缩略语: atm)(Physics)a unit of pressure equal to mean atmospheric pressure at sea level, 101,325 pascals (物理)大气压(压强单位,相当于海平面平均大气压,即101,325帕斯卡)
the pervading tone or mood of a place, situation, or creative work 气氛,环境;艺术氛围 the hotel has won commendations for its friendly, welcoming atmosphere. 酒店友好热情的气氛赢得了顾客的赞誉。 this crisis further compounded the prevailing atmosphere of gloom. 这次危机进一步加剧了当前抑郁的气氛。 ■[mass noun]a pleasurable and interesting or exciting mood 情调;感染力 a superb restaurant, full of atmosphere. 一家顶级餐馆,极具情调。
语源
mid 17th cent.: from modern Latin atmosphaera, from Greek atmos 'vapour' + sphaira 'ball, globe'