a small part or amount of something 小部分；少量；一点儿 Only a small fraction of a bank's total deposits will be withdrawn at any one time. 任何时候，一家银行的总存款只有少量会被提取。 She hesitated for the merest fraction of a second. 她略微犹豫了一下。 He raised his voice a fraction. 他把声音提高了一点。
Extra ExamplesA mere fraction of available wind energy is currently utilized. 目前可用风能中只有一小部份得到了利用。 The average income is high, though many people earn just a fraction of that average. 虽然人均收入很高，但是很多人只挣到了平均收入的一小部份。 Why not grow your own fruit at a fraction of the price? 你为什么不自己种水果，比这个价格要便宜很多。
Oxford Collocations Dictionaryadjective- large
- significant
- sizeable
- …
- fraction of
- just a fraction
- only a fraction
a division of a number, for example ⅝ 分数；小数 How do you express 25% as a fraction? 25%用小数怎么表示？
Language Bank proportionproportioncompare integer see also common fraction, proper fraction, vulgar fractionTopics Maths and measurementb2Describing fractions and proportions 描述分数和份额 According to this pie chart, a third of students’ leisure time is spent watching TV. 如饼分图所示，学生的闲暇时间有三分之一都花在看电视上。
One in five hours is/are spent socializing. 每五个小时中有一个小时花在社交活动上。
Socializing accounts for/makes up/comprises about 20 per cent of leisure time. 社交约占休闲时间的20%。
Students spend twice as much time playing computer games as doing sport. 学生们玩电脑游戏的时间是做运动时间的两倍。
Three times as many hours are spent playing computer games as reading. 玩电脑游戏的时间是阅读时间的三倍。
The figure for playing computer games is three times higher than the figure for reading. 玩电脑游戏的时间比阅读时间多两倍。
The largest proportion of time is spent playing computer games. 大部分时间都花在玩电脑游戏上。
Oxford Collocations Dictionaryadjective- vulgar
- decimal
- improper
- …
- express something as
- (
chemistry 化学 a quantity of liquid that has been collected as a result of a process that separates the parts of a liquid mixture 分数： 由于分离液体混合物各部分的过程而收集的一定数量的液体The third fraction contains alchohols with boiling points of 120–130℃. 第三部分包含沸点为120–130℃的醇。
Word Originlate Middle English: via Old French from ecclesiastical Latin fractio(n-) ‘breaking (bread)’, from Latin frangere ‘to break’.