1
- happening in a short time or at a great rate快的, 迅速的; 迅捷发生（或进行）的：
the country's rapid economic decline
该国经济的迅速衰退
they lost three wickets in rapid succession.
他们很快连输三局。
1.1
- (of movement or activity) characterized by great speed（移动, 活动）快速的：
his breathing was rapid and jerky.
他呼吸急促且伴有抽搐。
派生词
rapidity
nounrapidly
adverbrapidness
noun词源
mid 17th cent.: from Latin rapidus, from rapere 'take by force'.