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| NOUN |
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| /ˈkrɪstl/ |
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| 1 | C a piece of a substance that has a regular shape with many sides and is formed when the substance becomes solid 结晶；结晶体 | ice/salt/sugar/snow crystals 冰/盐/糖/雪的结晶体 | |
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| 2 | C/U a clear rock that looks like glass , especially quartz 水晶；石英 | | 2a | a piece of crystal used as a jewel 水晶首饰 | | a crystal necklace 水晶项链 | | |
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| 3 | U clear glass of very good quality 水晶玻璃 | a set of crystal wine glasses 一套水晶酒杯 | | | 3a | objects such as glasses and bowls made from crystal 水晶制品 | | We should use the good crystal at dinner tonight. 今天的晚宴我们要用优质的水晶餐具。 | | |
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| 4 | C MAINLY AMERICAN the piece of glass or plastic that protects the face of a clock or watch （钟表的）玻璃（或塑料）盖片 |
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