单词	crystal
释义	crystalcrystal /ˈkrɪstəl/ ●●○ noun Etymology ETYMOLOGYcrystal Origin: 1000-1100 Old French cristal, from Latin crystallum, from Greek krystallos ice, crystal 1 [uncountable] clear glass that is of very high quality:  The table was set with the best china and crystal. crystal goblets2[countable] science, chemistry a solid substance that has atoms arranged in an ordered repeating pattern:  ice crystals copper sulfate crystals3[countable, uncountable] rock that is clear like ice, or a piece of this4[countable] the clear cover on a clock or watch5[uncountable] informal the illegal drug methamphetamine SYN crystal meth [Origin: 1000–1100 Old French cristal, from Latin crystallum, from Greek krystallos ice, crystal]
随便看	stability stabilization stabilize stabilizer stabilizing selection stable stableman stablemate stabling stably staccato stack stadium staff staffer staffing staff officer staff sergeant stag stage stagecoach stagecraft stage direction stage door stage fright

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