crystal n. 1.結(jié)晶,(結(jié))晶體;晶粒;水晶(=rock crystal);石英。 2.【無線電】晶體。 3.結(jié)晶玻璃;雕玻璃;〔美國〕水晶玻璃。 4.〔詩〕水晶一樣的東西〔冰、水、淚、眼睛等〕。 5.〔俚語〕神秘的征兆;預(yù)言,占卜。 6.〔美俚〕廁所。 eyes as clear as crystals 一雙眼睛明如秋水。 a necklace of crystals 水晶珠項鏈。 the crystals of sugar 糖的結(jié)晶體。 adj. 1.水晶(制)的。 2.水晶一般的;透明的,清澈的。 3.【無線電】晶體的,運(yùn)用晶體檢波器的。 crystal water 晶瑩的水。 crystal ball (占卜者用的)水晶球。
Hydrothermally synthesized ruby crystal of guilin 桂林水熱法合成紅寶石晶體
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 每當(dāng)發(fā)現(xiàn)壯麗珍貴的紅寶石時,皇帝會派他的親信去迎接寶石回宮。
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 只有極少數(shù)的結(jié)晶體能不受干擾地生成為無瑕疵的大顆粒紅寶石。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 的小城鎮(zhèn)。原本蒙蘇生產(chǎn)的紅寶石是不夠格當(dāng)珠寶的,因?yàn)槠湮唇?jīng)處理的原石呈現(xiàn)兩種顏色:紫至黑色的核心及鮮紅色的邊。