fast

音标发音

• 英式音标 [fɑːst]
• 美式音标 [fæst]
• 国际音标 [fɑ:st, fæst]
• 英式发音
• 美式发音

基本解释

• 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
• n. (Fast)人名；(德、英、俄、芬、捷、瑞典)法斯特

词源解说

• 直接源自古英语的fast，意为紧，迅速。

同根派生

• adj性质的同根词

  fasting：禁食的；空腹的。

• n性质的同根词

  fasting：禁食；斋戒。

  fastness：牢固；不褪色；要塞；巩固；堡垒；迅速。

• v性质的同根词

  fasting：斋戒；节制饮食（fast的ing形式）。

• vi性质的同根词

  fasten：扣紧；抓住；集中注意力。

• vt性质的同根词

  fasten：使固定；集中于；扎牢；强加于。

• fast相关词

用法辨析

adj. (形容词)

• fast的基本意思是“快的”,通常指运动的人或物体本身有快速的特点。引申指“牢固的”,此时只用作表语。还可指“(颜色)不褪色的”。
• fast可以表示钟表时间的快,但要放在时间名词之后,而不能按汉语的表达习惯放在前面。

adv. (副词)

• fast用作副词时,可指物体或人的速度快,主要用来修饰人或物体的动作。也可指某物“牢固地”。
• fast可与介词连用,如by, in等。

• fast使用方法
• fast详细辨析

英汉例句

用作形容词 (adj.)

用作定语: ～+ n.

• The fast game of tennis soon exhausted the two players.
  快速度的网球比赛使两位选手很快就筋疲力尽了。

n. +～

• The label says this shirt is colour fast.
  标签上说明,这种衬衫不易褪色。

用作表语: S+be+～

• Is the window fast?
  窗子关紧了吗?

用作副词 (adv.)

用作状语

• He was running so fast that he couldn't stop himself.
  他跑得太快了,一下子停不下来。

• fast更多例句

词组短语

用作形容词 (adj.)

～+名词

• fast bus 疾驶的公共汽车
• fast car 疾驶的小汽车
• fast colour 经久不变的颜色
• fast food 速食，快餐
• fast friend 可靠的朋友

• fast更多词组

英英字典

剑桥英英字典

• (QUICK) moving or happening quickly, or able to move or happen quickly
• (IMMORAL) without moral principles
• (FIXED) If the colour of a piece of clothing is fast, the colour does not come out of the cloth when it is washed.
• quickly
• firmly fixed
• a period of time when you eat no food
• to eat no food for a period of time

柯林斯英英字典

• Fast means happening, moving, or doing something at great speed. You also use fast in questions or statements about speed.
• Fast is also an adverb.
• If a watch or clock is fast, it is showing a time that is later than the real time.
• If colours or dyes are fast, they do not come out of the fabrics they are used on when they get wet.
• You use fast to say that something happens without any delay.
• Fast is also an adjective.
• If you hold something fast, you hold it tightly and firmly. If something is stuck fast, it is stuck very firmly and cannot move.
• If you hold fast to a principle or idea, or if you stand fast, you do not change your mind about it, even though people are trying to persuade you to.
• If you fast, you eat no food for a period of time, usually for either religious or medical reasons, or as a protest.
• Fast is also a noun.
• fasting
• Someone who is fast asleep is completely asleep.

• fast剑桥字典
• fast柯林斯字典

专业释义

计算机科学技术

• 快速的
• 公式及叙述翻译器 (formula and statement translator)
• FORTRAN自动符号翻译器 (fortran automatic symbol translator)
• 全自动电传交换 (fully automatic switching teletype)
• 自动分类与测试设施
• 快速存取储存技术 (fast access storage technology)
• 反软体盗窃联合会 (federation against software theft)
• 弹性代数科学翻译器 (flexible algebraic scientific translator)

机械工程

• 法斯特资料应用系统技术 (fieldata applications system techniques)
• 法斯特翻译程式
• 法斯特用户组织
• 法斯特资料应用系统及技术

生物学

• 禁食
• 快