关于Beforewindowswereuse的百科

• 阅读理解。Beforewindowswereused,oldhousesinNorthernEuropeand...

• 问题详情：阅读理解。Beforewindowswereused,oldhousesinNorthernEuropeandBritainwereverydark.Theirgreatroomswerehigh,withonlyaholeintheroof(屋顶)toletoutthesmokeformcookingfires.Astimewentonpeoplebegantomaketheholesbiggerinordertohavemorelightandairinthei...
• 2021-03-108860