food指食物种类是可数吗

　　They are at the end of their food supply.

　　他们的食物储备已消耗殆尽。

　　Whether we need more food depends on how many people turn up.

　　我们是否需要更多的食物，这要视到场人数而定。

　　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。

　　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。