| 1. | Diamond is a third form of solid carbon . 金刚石则是第三种形式的固态碳。 |
| 2. | With regard to hardness , the diamond is in a class by itself . 讲硬度,金刚钻是独一无二的。 |
| 3. | The man went to great lengths to prove that the diamonds were real . 那人喋喋不休地力图证明钻石是真货。 |
| 4. | The brilliance of diamond is due in part to its large dispersion . 金刚石的光辉异彩,部分是由于它有强烈的色散。 |
| 5. | Conflict diamonds are a common currency in west africa , 钻石在西非是最常用的货币 |
| 6. | Yes , sir . queen of diamonds is your card 好的,先生你要的是那张钻石花色的老q |
| 7. | The diamond is the hardest substance in the nature 金刚石是自然界最坚硬的物质。 |
| 8. | Diamonds are the hardest substance found in nature 金刚石使自然界中最坚硬的物质 |
| 9. | Diamonds are the most expensive gems in the world 钻石是世界上最昂贵的宝石。 |
| 10. | The only thing that can destroy a diamond is intense heat 唯一能摧毁钻石的是剧热。 |