troy

troy — 形容詞

1. relating to a traditional system for weighing precious metals and gemstones, in

1.形容詞B2
釋義

金衡制的

用於貴金屬的計重單位

relating to a traditional system for weighing precious metals and gemstones, in which one pound contains twelve ounces instead of the usual sixteen.

例句

The jeweller weighed the gold chain in troy ounces before pricing it.

珠寶商用金衡盎司稱量那條金項鍊,然後訂出價格。

troy + ounce: the most common compound

A troy pound is about 373 grams, which is lighter than a standard pound.

一金衡磅約為 373 公克,比標準磅輕。

contrast: troy pound vs standard pound

同義詞
  • avoirdupois

    refers to the standard weight system of 16 ounces per pound; the two systems are contrasting, not interchangeable

文法句型

troy + noun (ounce / pound / weight)

用法筆記

Always placed before the noun it modifies (troy ounce, troy pound, troy weight). Never used predicatively — you cannot say 'this ounce is troy'.

常見錯誤

A troy pound has sixteen ounces.
A troy pound has twelve ounces, while a standard pound has sixteen.
💡The number of ounces is the key difference between troy and avoirdupois pounds.

troy — 名詞

troy — 慣用語