If there is an effect, the problem is separating the effects of individual vitamins.
如果确实有影响，我们可以逐个来看维生素的作用。
The scientists say this effect could be used to keep solids from separating out of liquids, or to fine-tune the viscosity of a liquid in engineering.
科学家表示，这一研究结果能够用于防止固体与液体的分离，或者精准调解工程建设中需要的液体流动性。
Perhaps the most insidious effect of the long hours and poor wages was how it tore families apart, separating mothers and fathers from their children for all but a few days a year.
也许长时间工作和低工资的最大隐患就是拆散家庭，把父母和孩子分隔两地，一年之中仅有几天能够相聚在一起。
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