fraction

fraction音标

英 [ˈfrækʃn]

美 [ˈfrækʃən]

fraction基本释义

n.小部分；少许；分数；片段

fraction用法及例句

n.(名词)

一点儿，一些，些微，少量

小部分

碎片，片段，片断

【数】分数；分式

【化】馏分，分馏

级分，分级

分层

【宗】圣餐面包分切式

掰开，分开

n.(名词)

[C]小部分,一点儿 a very small piece or amount

[C]分数 a division or part of a whole number

noun

1. a small part or item forming a piece of a whole

2. the quotient of two rational numbers

3. a component of a mixture that has been separated by a fractional process

verb

1. perform a division

e.g. Can you divide 49 by seven?

Synonym: divide

1. 少量;小份;一点儿A fraction of something is a tiny amount or proportion of it.

e.g. She hesitated for a fraction of a second before responding...她在回答之前犹豫了一下。e.g. Here's how to eat like the stars, at a fraction of the cost...这就是如何花少量钱却能像明星一样吃喝的方法。

2. 分数A fraction is a number that can be expressed as a proportion of two whole numbers. For example, ½ and ⅓ are both fractions.

e.g. The students had a grasp of decimals, percentages and fractions.学生们掌握了小数、百分数和分数。

1. 分数：1)分数(fraction)分子为基数词,分母为序数词并有复数. 1)英语序数词1-19除第一(first),第二(second),第三(third)有特殊形式外,其余均由基数词后加-th 构成. 1)分数(fraction)分子为基数词,分母为序数词并有复数.

2. 部分：小蛇在前才产卵(spawn) 专家爱打人(spank),天鹅爱打扮(swank) 妈妈不开心(mump),不要去碰她(bump),哥哥大傻瓜(gump),长个大肿块(lump),丰满才漂亮(plump),死了才脱落(slump) a 部分(fraction)i 摩擦(friction),

3. 小数：(A)若BASE=2,则小数(fraction)的第1个位元必须为1 (B)若BASE=8,则小数(fraction)的第3个位元必须不能为000 (C)若BASE=16,则小数(fraction)的第4个位元必须不能为0000 (D)以上皆是260 /D以下何者不是计算机中负整数的表示方法?

常用例句

词汇搭配

用作名词(n.)

一点也不not at all

用作名词(n.)

The car missed me by a fraction of an inch.那车子差一点儿就要撞到我了。

The cost is only a fraction of his salary.那项费用不过是他薪水的一小部分。

用作名词 (n.)

动词+～

reduce a fraction简化分数

形容词+～

common fraction普通分数

improper〔proper〕 fraction假〔真〕分数

tiny fraction极小的部分

介词+～

by fractions有余数的,不完全的

in a fraction of a second顷刻

to a fraction百分之百,地地道道

～+介词

a fraction of一小部分

a fraction of a second顷刻之间,一眨眼工夫

When the Affections are glewed to the world, Death makes not a Dissolution, but a Fraction.

出自：O. Feltham

词源解说

☆ 14世纪晚期进入英语，直接源自拉丁语的fractionem，意为破裂，碎片。

高考真题例句

OG 1.fraction

The underestimation was systematic: When adding two numbers, the monkeys always paid attention to the larger of the two, and then added only a fraction(小部分)of the smaller number to it.

这种低估是系统性的: 当猴子加上两个数字时, 它们总是注意两个数字中较大的一个, 然后只添加较小数字的一小部分。

2019全国卷3

近义词

反义词

临近词

bit

part

integer【C】整数

fractional

fractionlet

fraction bar

Fraction K

fractionable

fractionize

fractionate

fractionary

fractions

Fraction C

fractal

fractionator

相关列句

The fraction was then multiplied by 100 and rounded to the nearest half or whole number.(该分数然后被乘以100，再四舍五入成半数或者整数。)

Fake designer watches are sold at a fraction of the price of the genuine article.(伪造的设计师名牌手表以真品若干分之一的价格出售。)

Only a small fraction of the creatures that die are preserved in this way.(死去的生物中也只有一小部分被这样保存下来。)

A second-hand car costs a fraction of a new one.(二手车的花费只是新车的零头。)

This represents only a fraction of the couples who want a divorce.(这只代表了小部分想离婚的夫妇。)

If we could power such an elevator with solar energy, we could simply rise up into space for a fraction of the cost of a trip by rocket or shuttle.(如果我们能利用太阳能为这样的电梯提供动力，我们只需花费乘坐火箭或航天飞机旅行费用的一小部分就能进入太空。)

Yet spending on ads carried over cell-phone networks last year amounted to just $1.5 billion worldwide, a fraction of the $424 billion global ad market.(然而，去年全球手机网络广告支出仅为15亿美元，仅占全球广告市场总额4240亿美元的一小部分。)

When you spend $90 for a pair of Nike sneakers, only a fraction of it flows to China and even less to workers there.(当你花90美元买一双耐克运动鞋时，只有一小部分的钱流入中国，到劳动者手中的就更少了。)

Since tobacco is one of the biggest causes of premature death in the UK, a measure that tames the habit even by a fraction is worth trying.(在英国，烟草是导致过早死亡的*大原因之一，因此，一项哪怕只稍稍抑制吸烟习惯的措施都值得一试。)

When researchers look really carefully at the DNA in Chromosomes though, they were amazed to find that only a fraction of it, maybe 20-30%, converts into meaningful genetic information.(当研究人员仔细观察染色体中的DNA时，他们很惊讶地发现，其中只有一小部分，大约是20%到30%，能转化成有意义的遗传信息。)