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。Darby drove a dinky old Fiat sports car.达比开着一辆小巧精致的老式菲亚特跑车。Mr Darby was a mild, nervous man who seemed to expect people to ignore him.达比先生是个性情温和而又神经质的人，他好像希望人们不去注意他。