来自托福阅读
a roaring fire of "oven wood",consisting of brown maple sticks ,was maintained in the oven until its walls were extremely hot.
具体解释一下roaring fire of "oven wood"是啥子东东,还有,be maintained in the oven 是啥子意思,还有整句话是啥子意思?
Tip：it is about baking .