英语书上说 Meat and fish are healthy food but hanburgers and candy aren't healthy food.这是肯定句还是否定句 为什么hanburgers and candy这里是用

问题描述:

英语书上说 Meat and fish are healthy food but hanburgers and candy aren't healthy food.这是肯定句还是否定句 为什么hanburgers and candy这里是用and 不是用or

是hamburger吧
前半句是肯定,后半句是否定,用and是因为hamburger和candy他想论述的是不健康这一系列的食物,属于并列关系.