troy weight
a system of units of weight/mass, mostly used for precious metals and gemstones, in which the pound contains 12 ounces which each contain 480 grains
As much as a sky will hold.
Displaying common sense.
In an assentatory manner.
アンティークの宝石商は、貴金属に用いられる伝統的な単位体系であるトロイ重量単位で金の価値を記録することが多い。
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