oven可數還是不可數

　　They baked potatoes in the oven.

　　他們用烤箱烤土豆。

　　The meat is roasting in the oven.

　　肉在烤爐里烤著。

　　I made and baked bread in my oven.

　　我在烤箱里烤了面包。

　　You can't cook bacon and eggs in the oven!

　　你不能用烤箱做培根和雞蛋！

　　She crept up and thrust her head into the oven.

　　她爬起來，把頭塞進烤箱。