热狗是可数名词.
Hot dog：热狗；
例如：I would say hot dogs on the state highway.
You must have sold a lot of hot dogs last night?
你昨晚一定卖了不少热狗是吧？
Have you tried the hot dogs? That's right.
你们试过吃热狗吗？那很不错。
Would you mind passing the lady one of the hot dogs?
你能给那个女士递个热狗过去么？
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