oven可数还是不可数

They baked potatoes in the oven.

他们用烤箱烤土豆。

The meat is roasting in the oven.

肉在烤炉里烤着。

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鸡蛋！

She crept up and thrust her head into the oven.

她爬起来，把头塞进烤箱。