swift
adjective uk/swɪft/ us/swɪft/
C2 迅速的，敏捷的，快的
happening or moving quickly or within a short time, especially in a smooth and easy way
The police took swift action against the rioters. 警方对暴动人员迅速采取了行动。
Thank you for your swift reply. 感谢您的即时回复。
The gazelle is one of the swiftest and most graceful of animals. 瞪羚是最敏捷、最优雅的动物之一。
swift
noun [ C ] uk/swɪft/ us/swɪft/
雨燕
a small bird with curved, pointed wings that can fly very fast