fractions

英 [ˈfrækʃənz]

美 [ˈfrækʃənz]

n.  小部分; 少量; 一点儿; 分数; 小数
fraction的复数

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。

双语例句

• Kinetics of Heavy Metals Desorption by EDTA and Citric in Contaminated Soil and Their Redistribution of Fractions
  EDTA和柠檬酸对污染土壤中重金属的解吸动力学及其形态的影响
• To study the antioxidant activity of Lilium lancifolium Thunb., and screen the main active fractions.
  对卷丹百合进行抗氧化活性研究，并筛选其主要的活性部位。
• I can't add one and one, let alone do fractions.
  我连一加一等于几都不知道，更不用说做分数了。
• What fractions of NPP are invested in allelochemic substances in different communities?
  在不同的群落的npp中究竟有多大部分投入他感化学物质？
• He claims that by using a sequence of solvents a series of fractions can be obtained.
  他指出，用这样一系列溶剂，可以得到一系列级分。
• It occurs as an exchangeable base in the clay mineral and organic fractions of soils.
  钙是以交换性盐基在粘土矿物及土壤的有机部分出现的。
• An integer that is a common multiple of the denominators of two or more fractions.
  一个整数是两个或两个以上分数分母的公倍数。
• We also looked at K in terms of mole fractions.
  我们也将K看做摩尔分数的函数。
• The critical solubility temperatures for16 different mass fractions of castor oil were measured with an improved experimental apparatus.
  为测定二甲醚与蓖麻油混合燃料的临界互溶温度，对互溶性实验装置进行了改进。
• In contact with a hot surface, naphtha petroleum fractions crack to produce ethylene and propylene.
  石脑油馏份与一个热表面接角，就裂解而得到乙烯和丙烯。