n.未加工的钻石

rough diamonds───未经琢磨的原钻

a rough diamond───未加工的天然钻石；内秀外粗的人

rose diamond───玫瑰钻石

Hope diamond───希望钻石；希望之钻；希望之星（重达45.2克拉，且全球最大的蓝宝石）

rose diamonds───玫瑰钻石

to diamond───到钻石

Jonker diamond───瓊格爾鑽石

Hope diamonds───希望钻石；希望之钻；希望之星（重达45.2克拉，且全球最大的蓝宝石）

black diamond───黑金刚石，黑钻石

It is significant for the computer - aided design to improve rough diamond yield.───三维重建的结果对利用计算机辅助设计提高钻石原石的成品率具有重要意义.

Rough diamond prices have fallen even more, as much as 75 percent since their peak last July at some auctions.───钻石原石价格下跌更严重。比起去年7月在一些拍卖会上拍出的最高价，原始价格下降多达75%。

John looks awkward for a ball player, but he is a rough diamond.───约翰看起来似乎是个笨拙的球员, 事实上他是个可造之材.

He's not a rough diamond — a pearl-containing oyster of a rustic: he's a fierce, pitiless, wolfish man.───他不是一块粗糙的钻石——乡下人当中的一个含珠之蚌，而是一个凶恶的，无情的，像狼一样残忍的人。

I think the new employer is a rough diamond.───我觉得那个新雇员是一块未经雕琢的美玉.

He is said to be a rough diamond.───人们说他是一块浑金璞玉.

The computer aided design is used for improving the rough diamond yield during the design marking.───设计标线是钻石加工过程中的关键步骤,利用计算机辅助设计将有利于提高钻石原石的成品率.

He was a cult hero in Seville, where they had worked enormously hard to nurture a particularly rough diamond.───在塞维利亚，他是一个备受崇敬的英雄，他们费了很大的劲儿来打磨手中的这块难得的毛坯钻石。

The worker appears to be a very rough diamond.───那位工人表面粗野,实则本性善良.

Jane's new boyfriend was rather a rough diamond but we liked him anyhow.───简新交的男友是个举止粗鲁但品质良好的人,不管怎么说我们喜欢他.