rough diamonds. 基本例句 未经加工的钻石 As skilled craftsmen, their role is to polish these rough diamonds and turn every child into brilliant pieces at the end of the 6-year Dunman High journey. 孩子们在经历六年的德明学习之旅后,将被这些工匠打造成璀璨亮丽、耀眼夺目的钻石。 dhs Now in some factories, rough diamonds are processed by means of laser. 目前有些工厂利用激光切磨钻石原石。 course.cug.edu.cn