adj (1)快捷(急速)的，动辄……的(coming，occurring or accomplished quickly) [A+to-inf，A(in)]：a～reply/response/reaction/revenge快速的答复/反应/反应/报复;Our methods are～and efficient. 我们的方法迅速而且有效。The thief made a～exit. 小偷迅速溜走了。Mary is～to take offence/anger. 玛丽动不动就生气/发火。The hawk was～in action when it saw its prey. 当鹰看到猎物时动作迅速。(sb) be～in condemning the violence(某人)迅速对暴力进行谴责;〖同〗hasty，fast，rapid，fleet，prompt，immediate，speedy，quick;〖反〗slow，late;

(2)(能)快速的(moving or capable of moving with speed;fast)：a～runner/horse快跑能手/快马;make a～movement 动作迅速;come to a～running river来到水流湍急的河边;～footed greyhounds能疾走快跑的灵𤟥;His face showed a～change of expression. 他脸上的表情出现了很快的变化。

(3)短促(突然)的(that doesn't last long)：a～visit to the shops/lunch between pieces of work 临时去一趟商店/工作间隙抽空快速进餐;The war came，and contrary to expectation，it was short and～. 战争爆发了，与人们的预料相反，战火很快便停息了。

→swiftly adv迅速地;swiftness n敏捷;

n 褐雨燕(kind of small bird rather like a swallow)[C]