Less perfect forms, known as "boat" and "carbonado" are clusters of tiny crystals.
稍次些的则由细小的晶体群组成，称为“圆粒钻石”和“黑钻石”。
machine set bit
机镶细粒金刚石钻头
diamond-particle bit
潜铸型细粒金刚石钻头
A gem, such as a diamond, that is set alone.
独粒宝石（首饰）独自分开的一个宝石（如钻石）
diamond pattern
钻头金刚石颗粒的排列型式
It cuts a clean cylinder of rock,
这种钻头能切割一段光滑的圆柱形岩石，
A small round calcareous grain found, for example, in limestones.
鲕粒岩含有圆形小颗粒的石灰质岩石，如在石灰岩中
She is shopping for a new diamond to go with her ring.
她在购买一粒新钻石以配到她的戒指上。
A barleycorn is better than a diamond to a cock.
对一只公鸡来说，一颗麦粒优于一颗钻石。
DEPTH OF PERCEPTUAL SEARCH IN SOLITAIRE CHESS PROBLEM SOLVING
独粒钻石棋问题解决中的知觉搜索深度
Experimental Investigation on the Drilling of Brittle Materials with Brazed Diamond Grains;
钎焊金刚石磨粒钻削脆性材料的实验研究
From Round to Emerald cut, from0.25 Carat up to5 Carat, at YRD you will find it all.
在以夏.罗森塔尔钻石公司，圆形、形切割，重0.25到5克拉的钻石，您都可以找到。
Oh, it was hard that such a diamond should be changed away against such a false stone as this.
啊，怎么能把这么一颗钻石跟那粒假宝石等量齐观呢？
A fabric woven with a pattern of small diamonds, each having a dot in the center.
鸟眼花纹织物织有小钻石图案并且每一中心有一圆点的织物
A cylindrical mass drilled vertically into the earth and removed from it to determine composition or presence of oil or gas.
钻心圆柱形物质，用于垂直地钻入地下然后取出以测定石油或天然气的组成或存在
My wife is asking for pin money, and the pin she want have eight diamond in it.
内子跟我要针线钱（零用钱），而她想买的那根针是镶有八粒钻石的呢。
My wife was asking for pin money, and the pin she wanted has eight diamond in it.
内人跟我要针线钱（零用钱），而她想买的那根针是镶有八粒钻石的呢。
Colloidal particles are formed in considerable amounts in hard-rock drilling and blasting operation.
在硬岩石钻孔和爆破作业中，大量地生成胶体粒子。