单词 | quartz |
释义 | quartznoun ˈkwȯrts 1 : a mineral consisting of silicon dioxide occurring in colorless and transparent or colored hexagonal crystals or in crystalline masses 2 : a quartz crystal that when placed in an electric field oscillates at a constant frequency and is used to control devices which require precise regulation a quartz watch quartzose ˈkwȯrt-ˌsōs adjective |
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