- fast
 - [fɑ:st, fæst]
 - adj. 快速的,迅速的;紧的,稳固的
adv. 迅速地;紧紧地;彻底地
vi. 禁食,斋戒
n. 斋戒;绝食 
反义词
           - a. slow
 
参考例子
           - 1.Fall… With you, I fall so fast.
 - 和你一起坠落…我落的太快了。
 
- 2.Collagen in the skin of fast complement.
 - 快速补充皮肤中的胶原蛋白。
 
- 3.From the "fast" to "fast and good, " is not great progress?
 - 从“又快又好”,到“又好又快”,不正是巨大的进步吗?
 
英文解释
           - n.
 - 1.abstaining from food
 - 2.abstain from certain foods, as for religious or medical reasons
 - 3.abstain from eating
 
- adj.
 - 1.acting or moving or capable of acting or moving quickly
 - 2.(used of timepieces) indicating a time ahead of or later than the correct time
 - 3.at a rapid tempo
 - 4.(of surfaces) conducive to rapid speeds
 - 5.firmly fastened or secured against opening
 - 6.resistant to destruction or fading
 - 7.unrestrained by convention or morality
 - 8.hurried and brief
 - 9.securely fixed in place
 - 10.unwavering in devotion to friend or vow or cause
 
- adv.
 - 1.quickly or rapidly (often used as a combining form)
 - 2.firmly or tightly
 
网络释义
               - Fast
 - 快速(自动演奏装置的速度调整钮); 迅捷网络; 快速; 快速的;
 
- Fast Boot
 - 快速启动:该选项在操作系统请求精简启动时系统启动的速度。; 快速启动; 快速启动:该选项在*作系统请求精简启动时系统启动的速度。; 快速启动:该选项在操作系统请 求精简启动时系统启动的速度。;
 
- Fast Reading
 - 快速阅读; 快速阅读部分; 快读; 快车道;
 
- Fast Company
 - 快速企业; 快速公司; 匆匆伴侣; 高速企业;
 
- stand fast
 - 不后退; 不让步; 屹立不动; 停止活动;