英语hamburger是可数名词吗

　　We stopped at a drive-in for a hamburger.

　　我们在一家“免下车”餐馆停下来吃汉堡包。

　　She was eating a hamburger.

　　她在吃汉堡包。

　　Avoid unhealthy foods such as hamburger and chips

　　不要吃不健康食品，如汉堡和薯条。

　　They planned to keep the budget low by living on boiled noodles, with the occasional hamburger shop treat ．

　　他们准备靠煮面条加汉堡店偶尔的招待来维持低预算。

　　A short time later I had another order for a hamburger.

　　过了一会儿，又来了一位定购汉堡包的。