是不可数名词,因为本身food就是不可数名词.
fastfood意为快餐的，素食的，例句：
Fastfood restaurants can now be found worldwide.
现在世界各地到处都有快餐店。
Few things are more American than fastfood.
很少有东西能比快餐更彰显美式的了。
Its name is Joh on International Fastfood Co. Limited.
公司名称是约翰逊国际快餐有限公司。
I guess I should have gone to the fastfood restaurant.
我想我那时应该去速食店才对。
I don't like working in a fastfood restaurant because there is no tips.
我不愿在快餐店工作，因为没有小费可得。
When I first met Lisa 3 years ago, she was working in a fastfood restaurant.
三年前我第一次见丽莎的时候，她正在一家快餐店工作。
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