问题描述: 健康食品的英文是healthy food为什么food后面不加s 1个回答 分类:英语 2014-10-19 问题解答: 我来补答 food有复数形式,但健康食品只是一类食品,所以用单数.和垃圾食品一起时用用复数.there are two kinds of foods including junk food and health food. 展开全文阅读