atmosphere /ˈætməsfiə/ n.［u］ 1.大气层 (= the air surrounding the earth): Man must stop polluting the earth’s atmosphere. 人类必须停止对地球大气层的污染。They have carried out another nuclear test in the atmosphere. 他们在大气中又进行了一次核试验。2.空气(=the air in any particular place) (有时可加不定冠词)：The atmosphere of this place slightly sickened him. 这个地方的空气使他慢慢地病倒。It was a dust-laden atmosphere which they breathed. 他们呼吸的是充满灰尘的空气。3.气氛，氛围(有时可加不定冠词)：to clear the atmosphere 消除误会；消除紧张、猜疑气氛；create an atmosphere of cheerfulness 创造一种愉快的气氛; create a friendly atmosphere 创造一种友好的气氛