fast

快速的，迅速的；紧的，稳固的英释中释adjmoving or able to move quickly

迅速地；紧紧地；彻底地英释中释advmoving quickly

禁食，斋戒英释中释vIf you fast, you eat no food for a period of time, usually for either religious or medical reasons, or as a protest

斋戒；绝食英释中释na period during which someone does not eat, especially for religious reasons

1 fast food,速食，快餐

2 as fast as,和…一样快

3 fast growth,快速生长

4 fast response,快速响应

5 fast algorithm,快速算法

6 fast fourier transform,快速傅里叶变换

7 hold fast,v. 紧紧抓住

8 stand fast,不让步；不后退

9 fast moving,adj. 快速移动的

10 fast track,快速立法；快速通道

11 fast and furious,飞快地

12 fast food restaurant,速食店

13 fast asleep,熟睡的；很快地入睡

14 fast lane,快车道

15 hard and fast,严格的；固定不变的

16 fast ethernet,快速以太网

17 fast reaction,快速反应；快速核反应

18 fast time,夏令时间；日光节约时间（daylight-saving time）

19 fast dry,快干

20 fast train,快车

1 a fast car.速度很快的汽车

2 He’s one of the fastest runners in the world..他是世界上跑得最快的人之一。

3 I fasted for a day and a half and asked God to help me..我禁食了一天半，请求上帝帮助我。