food既可数,也不可数。food指强调食物的种类的时候,就是可数名词,其复数形式为foods。food仅仅指“食物”“食品”的时候,是不可数名词。food表示特定的食品的时候,是可数名词。
相关介绍Within three days they had exhausted their supply of food.
他们在三天之内就把所有粮食吃光了。
（图片来自网络侵删）
His company offers a flexible packaging service for the food industry.
他的公司为食品工业提供灵活的包装服务。
It seems such a waste to throw good food away.
把好的食物扔掉似乎太浪费了。
