Definition: the air inside a room or other place Level: B2
小船舱里的空气变得烟雾弥漫。
The ___atmosphere in the small cabin grew thick with smoke.
讲堂里的空气沉闷而温热。
The ___atmosphere in the lecture hall was stale and warm.
拥挤的地铁车厢里，空气污浊难闻。
The ___atmosphere on the crowded subway car was heavy and unpleasant.
