Question

food是不可数名词，为什么

Answer 1

food 有复数形式 foods：
n.食品;食物( food的名词复数 );粮食;（某种）食物
Fibre is found in cereal foods, beans, fruit and vegetables.

谷类食品、豆类、水果和蔬菜中含有纤维素。
Foods that contain only medium levels of sodium are bread, cakes, milk, butter and margarine.
含钠量仅为中等水平的食物有面包、蛋糕、牛奶、黄油和人造黄油。
They tend to buy cheap processed foods like canned chicken and macaroni.

他们往往会买便宜的加工食品，像鸡肉罐头和通心粉之类的。
Avoid unhealthy foods such as hamburger and chips

不要吃不健康食品，如汉堡和薯条。
Common foods which cause this kind of reaction are fish, eggs, and shellfish.

引发这种不良反应的常见食物包括鱼、蛋和贝类。

t's safe to eat foods that have been irradiated to prolong their shelf life.

食用经过辐射杀菌处理、延长了保质期的食品是安全的。
Most foods that we eat are safe for birds.
我们食用的大多数食物对鸟类都无害
只有几种蔬菜食品有如此高的蛋白质含量。
He may suddenly take a dislike to foods that he's previously enjoyed.
对以前爱吃的食物，他兴许突然就没了胃口。
Foods are broken down in the digestive tract
食物在消化道里分解。
供你参考。