单词：rapidly 

副词

• 
  [1.r.rapidly] (同义词:[quickly( adv. 很快地 )]  [rapidly( adv. 迅速地 )]  [speedily(adv.赶紧, 快快地 )]  [chop-chop( adv. 快点, 赶快 int. 快点, 赶快！ )]  [apace( adv. 快速地, 急速地 )]  )
• 
  注释列句：with rapid movements; "he works quickly"
• 属于名词 -> [rapid( adj. 迅速的, 飞快的, 险峻的 n. 急流, 高速交通工具, 高速交通网 )]