Slowly is the usual adverb from the adjective slow. Slow is sometimes used as an adverb in informal language, on road signs, etc. It can also be used to form compounds. * slowly 是常用副词,源自形容词 slow。有时,slow 作为非正式用语或在路标等中也用作副词,亦可用以构成复合词:◆Slow. Major road ahead.慢行。前方干道。◆a slow-acting drug药效慢的药◆They walk very slow. In the comparative both slower and more slowly are used.比较级作 slower 和 more slowly 均可:◆Can you speak slower/more slowly?你说慢点行吗?