英语词汇“corundum”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

单词	corundum
释义	corundum n. Mineral. extremely hard crystallized alumina, used esp. as an abrasive, and varieties of which, e.g. ruby and sapphire, are used for gemstones. Etymology: Tamil kurundam f. Skr. kuruvinda ruby
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