His house was the only settled home I had as a child.他的房子是我儿时唯一固定的家。The crowd in Robinson's Coffee-House was thinning, but only by degrees.鲁宾逊咖啡屋里的人正在变少，但也只是渐少而已。They have only a vague idea of the amount of water av...
The sulfide assemlage consists largely of pyrrhotite, pentlandite, chalcopyrite, and pyrite.硫化物集体大部由磁黄铁矿 、 镍黄铁矿 、 黄铜矿及黄铁矿组成.Associated minerals are mainly magnetite and ilmenite, subordinately pyrite and rarely chalcopyr...
铁轨跨过这条河直达矿井口。Across the river the railway track ran up to the pithead.几架马车仍然在破落的矿村中曲折行进。A few horse-drawn carts still trundle through the dilapidated mining villages.紧密团结的矿业界a tight-knit mining community...
设计图也可以从纸上扫描进电脑。Designs can also be scanned in from paper.设计图上所有的机器部件都应互相配合.All the machine parts on a blueprint must answer each other.在设计图上，体育场呈椭圆形。The stadium is elliptical in plan....