紧张的气氛: tense atmosphere愉悦的气氛: cheerful atmosphere沉闷的气氛: dull atmosphere活泼的气氛: lively atmosphere温馨的气氛: warm atmosphere忧郁的气氛: melancholic atmosphere恐惧的气氛: fearful atmosphere神秘的气氛: mysterious atmosphere热闹的气氛: bustling atmosphere安静的气氛: peaceful atmosphere