| 词汇 | quartz |
| 词根词缀 | 词源： 1756, from Ger. Quarz "rock crystal," from M.H.G. twarc, probably from a W.Slavic source (cf. Czech tvrdy, Polish twardy "quartz"), from O.C.S. tvrudu "hard." 词根记忆： n. 石英The guardian found a quarterly quart of quartz in the safeguard.监护人在安全装置内找到了四分之一夸脱石英. |
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