英语词汇“troy weight”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	troy weight
释义	Word Frequency troy weight or troy (trɔɪ) noun a system of weights used for precious metals and gemstones, based on the grain, which is identical to the avoirdupois grain. 24 grains = 1 pennyweight; 20 pennyweights = 1 (troy) ounce; 12 ounces = 1 (troy) pound Word origin C14: named after Troyes, where it was first used
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