fraction

英 [ˈfrækʃn]

美 [ˈfrækʃn]

n.  小部分; 少量; 一点儿; 分数; 小数

复数：fractions　现在分词：fractioning　过去式：fractioned　第三人称单数：fractions　过去分词：fractioned　

CET4CET6考研TOEFLIELTSGRETEM4TEM8医学

Collins.2 / BNC.3509 / COCA.4719

牛津词典

noun

• 小部分；少量；一点儿
  a small part or amount of sth
  1. Only a small fraction of a bank's total deposits will be withdrawn at any one time.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。
  2. She hesitated for the merest fraction of a second.
     她略微犹豫了一下。
• 分数；小数
  a division of a number, for example ⅝

柯林斯词典

• N-COUNT 少量;小份;一点儿
  Afractionofsomething is a tiny amount or proportion of it.
  1. She hesitated for a fraction of a second before responding...
     她在回答之前犹豫了一下。
  2. 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。
  3. I opened my eyes just a fraction.
     我微微睁开了眼睛。
• N-COUNT 分数
  Afractionis a number that can be expressed as a proportion of two whole numbers. For example, ½ and ⅓ are both fractions.
  1. The students had a grasp of decimals, percentages and fractions.
     学生们掌握了小数、百分数和分数。

英英释义

noun

• a small part or item forming a piece of a whole
• the quotient of two rational numbers
• a component of a mixture that has been separated by a fractional process

verb

• perform a division
  1. Can you divide 49 by seven?
  Synonym:divide

双语例句

• The cost is only a fraction of his salary.
  那项费用不过是他薪水的一小部分。
• The influence of mass fraction of silver on adsorption capacity was also studied.
  同时，研究了载银量对吸附能力的影响。
• I opened my eyes just a fraction.
  我微微睁开了眼睛。
• You decrease the mole fraction of the less volatile material in the gas phase.
  更不易挥发的物质，在气相中的，摩尔分数减小了。
• Round off that fraction to a whole number.
  把零去了，就要个整数。
• The definition of the void fraction and the calculation formula for the void fraction determining were given.
  给出了孔隙率的定义和确定孔隙率的方法。
• The relation of volume fraction of plasticizer in coating film with the mechanical property was investigated.
  研究了涂层中增塑剂体积分数与涂层力学性能的关系。
• The students had a grasp of decimals, percentages and fractions.
  学生们掌握了小数、百分数和分数。
• If a stranger stops you, just wind the window down a fraction.
  如果有陌生人拦你的车，把车窗摇下一点点就行。
• Well it's the mole fraction of A in the gas.
  这是气体中A的摩尔分数。