fast[fɑ:st]  

• a. 快速的,耐久的,紧的
  ad. 很快地,紧紧地,彻底地
  n. 绝食,斋戒
  vi. 绝食,斋戒

词形变化

• 时　态：fast·ed, fast·ing, fasts

常用短语

1. fast food   
   n. 速食
2. stand fast   
   不后退,不让步,屹立不动
3. fast break   
   n.[篮]快攻
4. fast reactor   
   高速中子炉，快中子反应堆
5. fast asleep   
   酣睡,熟睡
6. fast lane   
   快车道
7. fast dye   
   不褪色染料
8. fast buck   
   n. 投机所赚的钱,轻易得来的钱
9. pull a fast one on   
   用诡计占上风
10. fast day   
    n. 斋戒日


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11. fast time scale   
    快时标，快速时标，快速时间比例


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与 fast 相关的例句

英英解释

2个副词解释

1. quickly or rapidly (often used as a combining form)
   [例]
   • how fast can he get here?
   • ran as fast as he could
   • needs medical help fast
   • fast-running rivers
   • fast-breaking news
   • fast-opening (or fast-closing) shutters
2. firmly or tightly
   [同] fast , tight
   [例]
   • her foot was stuck fast
   • held tight
   • held fast to the rope

1个名词解释

1. abstaining from food
   [同] fast , fasting
   

10个形容词解释

1. acting or moving or capable of acting or moving quickly
   [反] slow
   [例]
   • fast film
   • on the fast track in school
   • set a fast pace
   • a fast car
2. (used of timepieces) indicating a time ahead of or later than the correct time
   [反] slow
   [例]
   • my watch is fast
3. at a rapid tempo
   [反] slow
   [例]
   • the band played a fast fox trot
4. (of surfaces) conducive to rapid speeds
   [例]
   • a fast road
   • grass courts are faster than clay
5. firmly fastened or secured against opening
   [同] fast , barred , bolted , latched , locked , secured
   [例]
   • windows and doors were all fast
   • a locked closet
   • left the house properly secured
6. resistant to destruction or fading
   [例]
   • fast colors
7. unrestrained by convention or morality
   [同] debauched , degenerate , degraded , dissipated , dissolute , fast , libertine , profligate , riotous
   [例]
   • Congreve draws a debauched aristocratic society
   • deplorably dissipated and degraded
   • riotous living
   • fast women
8. hurried and brief
   [同] fast , flying , quick
   [例]
   • paid a flying visit
   • took a flying glance at the book
   • a quick inspection
   • a fast visit
9. securely fixed in place
   [同] fast , firm , immobile
   [例]
   • the post was still firm after being hit by the car
10. unwavering in devotion to friend or vow or cause
    [同] fast , firm , loyal , truehearted
    [例]
    • a firm ally
    • loyal supporters
    • the true-hearted soldier...of Tippecanoe
    • fast friends

2个动词解释

1. abstain from certain foods, as for religious or medical reasons
   [例]
   • Catholics sometimes fast during Lent
2. abstain from eating
   [例]
   • Before the medical exam, you must fast