She held up a fake diamond necklace, sparkling but worthless.

她拿起一条假钻项链，闪闪发光却一文不值。

Mechanism of its synthesis is discussed based on microprocess of the nucleation of CVD diamond.

结合CVD金刚成核的微观过程，探讨了定向金刚膜的形成机理。

The kimberlite is one of mother rock of diamond.

金伯利岩是金刚的成矿母岩之一。

The sky seemed to be set with diamonds.

天空似乎镶嵌了钻。

They stated the diamond to have been stolen.

他们宣称钻已被偷了。

The diamond on her finger twinkled in the fire-light.

她手指上戴的钻在火光下闪闪发亮。

He bamboozled the old lady out of her diamond ring.

他骗了那老妇人的钻戒指。

You is clever to overcall with two diamond.

你用二方块盖叫对方很聪明。

In recent years, cobalt-substitute prealloy powder for diamond tools were researched intensively.

近年，国内外开展了金刚工具代钻粉末的研究。

Her ring is an odd little concern fitted with blinking diamonds.

她的戒指是装有许多闪光钻的小玩意儿。

He bought her a diamond ring on their tenth wedding anniversary.

他们结婚10周年纪念，他给她买了一枚钻戒。

A diamond is a precious stone.

金刚钻是一种宝。

Are these real diamonds or only sham?

这些是真的钻还是膺品？

Are those real diamonds or only shams?

那些是真钻还是赝品?

I've got only four diamonds in my hand.

我手里仅有四张方块牌。

The jeweler’s display showed the diamonds to advantage.

珠宝商的展示使那些钻更为醒目。

These diamonds have been handed down in his family for generations.

这些钻在他家已经传了好几代。

The jeweler charges lots of money to set diamonds in a bracelet.

珠宝匠要很多钱才肯把钻镶在手镯上。

Diamonds look best when they are set against black cloth.

钻用黑纱映衬显得最美。

The skill with which Mr. Smith faceted the diamond is remarkable.

史密斯先生在钻上雕刻小平面的精湛技巧真是了不起。