diet和food的区别

diet可以当动词也可以名词..food只能名词..下面是例句

diet1
KK: []
DJ: []
n.
1. 饮食,食物[C][U]
Their diet chiefly consists of grain and vegetables.
他们的饮食主要是谷类和蔬菜。
2. (适合某种疾病的)特种饮食[C]
No chocolate, please. I'm on a diet.
请不要放巧克力,我在节食。
vt.
1. 给(病人)指定饮食
vi.
1. 进规定的饮食;忌食;节食
She is dieting to lose weight.
她在节食以减肥。

food
KK: []
DJ: []
n.
1. 食物,食品[U][C]
Many sweet foods are on sale in the store.
这家商店在廉价出售多种甜食。
Milk is the natural food for babies.
牛奶是婴孩的天然食品。
2. (精神)食粮,材料,资料[U]
Books are food for the mind.
书是心灵的食粮。

diet主要指"餐"，一顿饭，on diet是指节食
food主要指食物，可以说：which kind of food do you usually have for breakfast？