为什么是“eat the dog's food”不是“eat dog‘s food”

The dog eat up all the food eat dog 意思eat 注意不是dog eat dog. who's the ___ (own) of the dog food 1.He would eat the dog food and have his picture __. 动词不定式I give the dog a bone to eat.为什么是to eat 不是to be eaten The hot dog isn't r _____ a dog.It's a kind of food. Let’s eat some _____ English food The foods you eat could help with this problem.food为什么加S? 英语问题1.Write down the foods you eat every day.food为什么加s? We eat many delicious food.food要不要加“s”? 英语翻译为什么狗粮翻译为dog food而不是在dog后面加一撇s呢?我是说为什么 英语翻译不要和我说是dog's food