fraction 详细解释

fraction

['frækʃən]

n.小部分, 少许, 分数, 片段

n.[C]

1. 小部分; 片段; 碎片

He has done only a fraction of his homework.

他只做了家庭作业的一小部分。

2. 些微, 一点儿[S][(+of)]

The story does not contain a fraction of truth.

这故事没有一点真实性。

3. 【数】分数

4. 【化】馏分; 级分

词形变化

名词复数：fractions

词义辨析

同义:

n.部分; 片段

part  portion  division  segment  section  

同义参见:

shade  fragment  leg  molecule  component  detail  

反义:

n.小部分; 片段; 碎片

integer  

英英释义

名词 fraction:

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

a small part or item forming a piece of a whole

the quotient of two rational numbers

动词 fraction:

perform a division

同义词：divide

短语词组

a fraction of a second

1. 转瞬间

I'll be ready in a fraction of a second.

我马上就好。

补充

fractionfraction英:[ˈfrækʃən] 美:[ˈfrækʃən]n.1.小部分, 一点儿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。2.〈数〉分数

例句

1. The students had a good grasp of decimals, percentages and fractions.学生们对小数、百分数、分数掌握得不错。 2. I opened my eyes just a fraction.我微微睁开眼睛。 3. She hesitated for a fraction of a second before replying.她犹豫了片刻才回答。 4. Here's how to eat like the stars, at a fraction of the cost.这里告诉你如何花很少的钱却能吃得像明星一样。 5. he hesitated for a fraction of a second.他犹豫了片刻。 6. her eyes widened a fraction.她的眼睛稍微睁大了一点儿。 7. For a fraction of a second I thought the car was going to crash.我有一剎那以为要撞车了。 8. 1/2 and 1/4 are fractions.1/2和1/4都是分数。 9. a fraction of an inch/second不到一英寸；几分之一秒 10. We've described only a small fraction [=portion] of the available options.我们仅描述了可供选择中的一小部分。 11. The new program will provide similar benefits at a fraction of the cost (of the old one). [=at much less cost; for much less money]新方案将以（比原来）少得多的成本创造几乎相等的效益。 12. The new technology allows us to complete the job in a fraction of the time [=in much less time] it formerly took.新技术大大减少了我们完成工作的时间。

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