diamond watch

Numerical simulation of heat transfer in diamond under electron beam irradiation;

电子束辐照钻石热传导过程的数值模拟

A new diamond imitation-synthetic moissanite and distinction;

新型仿钻石材料——合成碳硅石及其鉴别

Diamond laser marking is the mainstream diamond marking technology.

钻石激光刻字技术是钻石标记的主流技术。

A needle-shaped drill for boring holes in rock or masonry.

钻头，钻石器，钻孔器用于在岩石或砖石上钻孔的针形钻

If you compare a ruby and a diamond, the latter is more valuable.

红宝石和钻石比起来，钻石更值钱。

To adorn with or as if with diamonds.

用钻石装饰用钻石装饰或好象用钻石装饰

This diamond weighs 270 carats.

这钻石重270 克拉。

a diamond ring, necklace, etc

钻石戒指、 项链等.

dazzling sunlight [diamonds]

耀眼的阳光 [钻石]

the diamond -- everlasting value

钻石——价值永恒。

The value of diamond is above ruby.

钻石的价值比红宝石高。

two diamonds and an emerald

两枚钻石和一枚绿宝石

a gem (usually a diamond) in a setting by itself.

单件的宝石（通常是钻石）。

diamond [golden; ruby; silver; tin; wooden] wedding

钻石[金; 红宝石; 银; 锡; 木]婚

"That's not a diamond! If that's a diamond, I'm a Dutchman."

那不是钻石！如果那是钻石我就不是人。

precious gems/stones,ie diamonds,rubies, emeralds,etc

宝石（钻石、红宝石、绿宝石等）.

With diamond, ruby or sapphire?

是要钻石的、红宝石的还是蓝宝石的？

bracelet aglitter with diamonds

一副钻石闪耀的手镯

He passed it off as a genuine diamond.

他伪称那是真的钻石。

mixed oil drilling rig

复合式石油钻井钻机

This drill can bore through rock.

这台钻机能钻透岩石.