fat,protein,mineral,vitamin是可数名词吗?为什么后面可以加s呢?原文：Scientific information about your body's needs for fats,proteins,minerals and vitamins can help you decide on the right things to eat and the right amount to eat.
问题描述：
fat,protein,mineral,vitamin是可数名词吗?为什么后面可以加s呢?
原文：Scientific information about your body's needs for fats,proteins,minerals and vitamins can help you decide on the right things to eat and the right amount to eat.
答
当这几个词的意思翻译为:脂肪,蛋白质,矿物质,维生素.这些词的时候,是既可数又不可数的.当他们指的是物质本身的时候是不可数的.但是如果表示种类的话是可数的.fats,proteins,minerals and vitamins这里的意思是各种脂...