food是可數嗎?

　　例句：

　　They are at the end of their food supply.

　　他們的食物儲備已消耗殆盡。

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

　　我們是否需要更多的食物，這要視到場人數而定。

　　Within three days they had exhausted their supply of food.

　　他們在三天之內就把所有糧食吃光了。

　　His company offers a flexible packaging service for the food industry.

　　他的公司為食品工業提供靈活的包裝服務。

　　It seems such a waste to throw good food away.

　　把好的食物扔掉似乎太浪費了。