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n (1)水晶(kind of colourless natural mineral substance that is transparent and looks like pure ice)[U]：clear as～水晶般透亮;be made of～由水晶制成;a～necklace 水晶項鏈;～set 晶體管收音機;

(2)水晶飾品(shaped piece of this，esp when used as an ornament or jewel)[C]：a necklace of～s水晶項鏈;a～bracelet/watch/ear-ring水晶手鐲/表/耳環(huán);

(3)水晶玻璃器皿(things made of high-quality cut glass)[U]：The dining-table shone with silver and～.餐桌上銀質(zhì)和水晶玻璃的器皿閃閃發(fā)光。a～wine glass/vase/chandelier水晶玻璃的酒杯/花瓶/枝形吊燈;a large collection of～許多水晶玻璃器皿;

(4)結(jié)晶體(very small regular many-sided shape that some substances have naturally on becoming solid)[C]：sugar/salt/snow/ice～s 糖/鹽/雪/冰的結(jié)晶體;～shapes晶體狀;

(5)(鐘表)透明的保護蓋(transparent glass or plastic cover over the face of a clock or watch)[C](AmE);

adj 清澈透明的(like crystal in clearness;transparent)：～water清澈的水;

→′crystalline adj 水晶制成的;水晶般的;清澈(透明)的;′crystallize，-ise v (使)結(jié)晶;(使)明確(定形);′crystal-gazing n 水晶球占卜;預(yù)測(言)