广播电视英语短句 第 208 课：室内空气污染-4

The Lorena used twice as much wood as an open fire, and took much longer to heat food. Lorana 炉子打一次火需要使用两倍多的木材，并且要花更多的时间加热食物。

Since then, Dean Still says they have experimented with countless other designs. 从那之后， Dean Still 说他们已做了不计其数的其它类型设计的测试。

Aprovecho has now partnered with a stove manufacturer in China . Aprovecho 研究中心现在有一个在中国生产炉子的合作伙伴。

The company is making Aprovecho's first mass produced stoves. 公司正在大批量生产 Aprovecho 研制的炉子。