crystal n. 1.结晶,(结)晶体;晶粒;水晶(=rock crystal);石英。 2.【无线电】晶体。 3.结晶玻璃;雕玻璃;〔美国〕水晶玻璃。 4.〔诗〕水晶一样的东西〔冰、水、泪、眼睛等〕。 5.〔俚语〕神秘的征兆;预言,占卜。 6.〔美俚〕厕所。 eyes as clear as crystals 一双眼睛明如秋水。 a necklace of crystals 水晶珠项链。 the crystals of sugar 糖的结晶体。 adj. 1.水晶(制)的。 2.水晶一般的;透明的,清澈的。 3.【无线电】晶体的,运用晶体检波器的。 crystal water 晶莹的水。 crystal ball (占卜者用的)水晶球。
Hydrothermally synthesized ruby crystal of guilin 桂林水热法合成红宝石晶体
Whenever a particularly beautiful ruby crystal was found , the ruler sent high dignitaries out to meet the precious gemstone and welcome it in appropriate style 每当发现壮丽珍贵的红宝石时,皇帝会派他的亲信去迎接宝石回宫。
Thus only very few ruby crystals were given the good conditions in which they could grow undisturbed to considerable sizes and crystallise to form perfect gemstones 只有极少数的结晶体能不受干扰地生成为无瑕疵的大颗粒红宝石。因此,
Originally , it was believed that these rubies would hardly prove suitable for use in jewellery , since untreated mong hsu ruby crystals actually display two colours : a purple to black core and a bright red periphery 的小城镇。原本蒙苏生产的红宝石是不够格当珠宝的,因为其未经处理的原石呈现两种颜色:紫至黑色的核心及鲜红色的边。