1
- happening quickly or promptly迅速发生的：
a remarkably swift recovery.
奇迹般的快速康复。
1.1
- moving or capable of moving at high speed移动速度快的：
the water was very swift
水流湍急
the swiftest horse in his stable.
他马厩里跑得最快的一匹马。
- poetic/literary except in combination swiftly〈诗/文〉［在组合形式以外为诗歌或文学用语］迅速：
streams which ran swift and very clear
溪水水流湍急并且非常清澈
a swift-acting poison.
迅速发作的毒药。
1
- a swift-flying insectivorous bird with long slender wings and a superficial resemblance to a swallow, spending most of its life on the wing雨燕。
1.1
- Family Apodidae: several genera and numerous species, in particular the common Eurasian swift(Apus apus).雨燕科：数属, 众多种, 尤指最常见的欧亚雨燕（拉丁名Apus apus）。
2
- （亦作swift moth）a moth, typically yellow-brown in colour, with fast darting flight. The eggs are scattered in flight and the larvae live underground feeding on roots, where they can be a serious pest.蝙蝠蛾。
2.1
- Family Hepialidae: Hepialus and other genera.蝙蝠蛾科：蝙蝠蛾及其他属。
3
- a light, adjustable reel for holding a skein of silk or wool绷架。
派生词
swiftly
adverbswiftness
noun词源
Old English (as an adjective), from the Germanic base of Old English swīfan 'move in a course, sweep'. The bird name dates from the mid 17th cent.