Darby was looking for a way to improve iron when he hit upon the idea of smelting it with coke instead of charcoal.达比一直在寻找改善铁质的方法，他猛然想到可以不用木炭熔炼，而改用焦炭。That morning we fired our first kiln of charcoal.那天上午，我们烧了我们的第一窑木炭。Chu...
雍和宫. 它是北京最大也是保存最好的喇嘛庙.Yonghegong. It is the largest and best - preserved lamasery in Beijing.喇嘛庙? 我听说那里非常有意思.The Lama Temple? I've heard that was a very interesting place.B喇嘛庙? 我听说那里非常有意思.B The Lama Temple? I'v...
They use oars to propel boats.他们用浆推进船只.We must develop industries with local advantages and propel the development of key areas.积极发展有特色的优势产业,推进重点地带开发.The tiny rocket is attached to the spacecraft and is designed to prope...