A frankfurter is a long, thin sausage, usually reddish, that has been smoked. People often put it in a long soft bun and eat it as a hot dog, with mustard or ketchup.

A frankfurter is a long, thin sausagefrankfurter是一種細長的香腸 usually reddish通常是紅色的 that has been smoked經過煙燻 People often put it in a long soft bun大家常把它夾進長條的軟麵包裡 and eat it as a hot dog當成熱狗吃 with mustard or ketchup配芥末醬或番茄醬

The name comes from Frankfurt in Germany — it first meant “from Frankfurt,” and then it meant the sausage that city was known for (the city is Frankfurt-am-Main).

The name comes from Frankfurt in Germany這個名字來自德國的法蘭克福 it first meant "from Frankfurt,"原本的意思是「來自法蘭克福的」 and then it meant the sausage that city was known for後來變成指那座城市有名的那種香腸 the city is Frankfurt-am-Main這座城市全名是Frankfurt-am-Main

In the US, everyday talk often says frank or hot dog instead; frankfurter sounds a little more like a packet or a menu. It names the sausage itself, not a person from that city, though that was the older meaning of the German word.

In the US, everyday talk often says frank or hot dog instead在美國，日常說話常常改說frank或hot dog frankfurter sounds a little more like a packet or a menufrankfurter聽起來比較像包裝或菜單上的用字 It names the sausage itself這個字是指香腸本身 not a person from that city不是指那座城市的人 though that was the older meaning of the German word雖然那是這個德文字比較舊的意思

It is an ordinary food word: not formal, not slang.

It is an ordinary food word這是個普通的食物用字 not formal, not slang不正式，也不是俚語