[ I ] literary If a negative or bad feeling descends, it is felt everywhere in a place or by everyon

中文解释

（不好的感觉）遍布，蔓延 A feeling of despair descended (on us) as we realized that we were lost. 当我们发现自己迷了路的时候，一种绝望的情绪（在我们中间）弥漫开来。