分数值与分母值成反比例.Only a fraction of readers make regular use of the reservation service.
只有一小部分读者经常利用预留服务.Common fraction:a fraction having an integer as a numerator and an integer as a denominator.
分数:一个有整数分子和整数分母的分数.The shopkeepers are complaining that business has been reduced to a fraction of what it was before the war.
店主都在抱怨说生意已经减少到战前的很小一部分了.A plasma is a gas in which a significant fraction of the atoms or molecules are ionized
等离子体是一种其中大部分原子或分子都已电离的气体.