troy grain
名词 n.
英文释义
名词 n.
- A unit of mass, equal to 1/24 of a pennyweight or 1/480 of a troy ounce, fixed at 0.064 798 91 grams under the metric system.
词形变化
词源
Morphologically, from Troyes, town in Northern France + grain, unit of mass
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数据来源: Wiktionary