Diamonds are frequently used for industrial jobs like grinding and polishing, because they're so tough.

金刚石被广泛应用与工业作业中，例如研磨和抛光，因为金刚石非常坚硬。

But his body was as hard as a diamond.

但他的身体就跟金刚石一样坚硬。

He turned the dew Ream Eyso collected into a diamond axe, Vorachhun's into a magic dagger, and Moni Mekhala's into a crystal ball unlike anything ever seen.

他把雷阿姆·埃索收集的露珠化成一把金刚石斧头，伏拉克春的露珠为神奇的匕首，以及莫妮·麦卡拉的变成一颗前所未见的水晶球。

Another novel certificate of admission is from Harbin Institute of Technology in Heilongjiang province, which is rimmed with diamonds or sapphires, expressing the hope that the freshmen will embrace shining achievements in the future.

一项创意来自黑龙江的哈尔滨工业大，录取通知书上镶着金刚石和蓝宝石，希冀生们在未来也能取得如此闪亮的成绩。

Allotropes of an element can have very different properties from each other (graphite and diamond, for example, are both allotropes of carbon).

一种元素的同素异形体可能彼此具有非常不同的性质(例如，石墨和金刚石都是碳的同素异形体)。

In CVD, diamond seeds are arranged on a surface that's placed into a chamber which is filled with gases.

采用化气法时，工作人员会将金刚石籽晶排列在一个基底上，再将基底放入充满气体的反应室中。

The island is believed to be rich in resources like gold, diamonds, uranium, oil, lead and iron ore.

据悉，格陵兰岛富含黄金、金刚石、铀、石油、铜和铁矿石等资源。

Have you ever seen a diamond? It is a very bright, hard kind of stone, and very dear.

小朋友，你见过钻石吗？钻石，也叫金刚石，是一种非常光亮，非常坚硬的石头，价钱还特别贵。

Oh, no, not at all. No, we, uh, found a place online that, uh, repurposes diamond drill bits.

不，一点都不贵。我们在网上找到一家店能将金刚石钻头改成钻石。

But hyperdiamonds could be even more useful than regular diamonds, because they're even more resistant to the temperature and pressure changes that can wear diamonds down over time.

超级金刚石比普通金刚石更有用，因为更不容易受温度和压力的影响，而普通金刚石则会因温度和压力而磨损。

Little wheels of extremely hard steel are also used for cutting glass, and this they do fairly well, though not nearly so well as diamonds.

人们还使用极为坚硬的钢轮对玻璃进行切割, 这种方法虽然比不上使用金刚石那样理想, 但效果还算不错。

Just south of Oxford, England, Element Six is one of the world's leading synthetic diamond labs.

元素六公司位于英国牛津郡南部，它是全球领先的人造金刚石实验室之一。

The beautiful gem called the diamond is, however, even harder than glass; and glaziersuse small diamonds set in a handle to cut glass to the size that they want.

然而, 那种被称作金刚石的美丽宝石比玻璃更加坚硬；玻璃工人使用一把带有手柄的金刚石切割工具将玻璃切割为需要的大小。

In HPHT, manufacturers start with a capsule that contains a carbon source, some metals, and some tiny diamond particle or seed.

采用高温高压法时，制造商会先准备一个胶囊，其中含有碳源、一些金属以及几颗微小的金刚石颗粒，也就是 “籽晶”。

But we can use what we know about carbon to make a material even harder than diamonds.

但我们可以利用所掌握的有关碳的知识，来制造比金刚石更坚硬的物质。

In hyperdiamonds, that's still true, but it's a different, more wear-resistant form of diamond.

在超级金刚石的结构中，这同样适用，但是不同的是，较普通金刚石更耐磨损。

After they're grown, the synthetic diamonds have to be processed, machined to size, and tested, and then finally, they're ready to be used.

人造金刚石培育完成后，还需要经过加工、尺寸打磨和质量检测，最终才能投入使用。

The other key technology used to make synthetic diamonds is chemical vapor deposition, or CVD.

一项制造人造金刚石的关键技术是化气法（简称 CVD）。

Diamonds are hard because of their molecular structure, each carbon atom forms four covalent bonds with the atoms around it, which forms an exceptionally hard crystal structure.

金刚石坚硬是因为其分子结构，每个碳原子与邻的原子形成四个共价键，从而形成极其坚硬的晶体结构。

Aggregated diamond nanorods, or hyperdiamonds, if you wanna sound cool, these are the hardest, most dense, and least compressible material we know of.

聚合金刚石纳米棒，或超级金刚石，更酷的是，这些是我们所知的最坚硬、密度最高，几乎无法压缩的材料。