artificial gem

 
  • 人造寶石

artificial gem的用法和樣例:

例句

  1. A hard, brilliant, lead-containing glass used in making artificial gems.
    鉛質玻璃用來制人造寶石的硬而耀眼的含鉛玻璃
  2. A small natural or artificial gem used as a bearing in a watch.
    鑽石小的天然的或人造寶石,用作手錶中的軸承
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