gemstone

英

美 [ˈdʒɛmˌstoʊn]

n.  宝石

复数：gemstones　

TOEFL

BNC.33530 / COCA.24589

柯林斯词典

• 宝石
  Agemstoneis a jewel or stone used in jewellery.

英英释义

noun

• a crystalline rock that can be cut and polished for jewelry
  1. he had the gem set in a ring for his wife
  2. she had jewels made of all the rarest stones
  Synonym:gemstone

双语例句

• A transparent purple variety of quartz; used as a gemstone.
  一种透明的紫色石英，用作宝石。
• Both use the same JIT, bytecode loop, cache, and persistence provided by GemStone/ S.
  它们都使用了相同的JIT、字节代码循环、缓存和GemStone/S提供的持久化。
• Heat is applied to this gemstone for clarity and the violet-blue color.
  热应用于这宝石的清晰度和紫蓝色。
• The gemstone is 28.6 millimetres high and weighs 139.43 carats.
  这块宝石高28.6毫米，重139.43克拉。
• There is a huge range of gemstone quality.
  这是一个巨大范围的珠宝玉石质量。
• A transparent deep red variety of corundum; used as a gemstone and in lasers.
  一种透明的深红色刚玉，经雕琢后可用作宝石，亦可用于激光器。
• A spinel used as a gemstone ( usually dark red).
  一种用作宝石的尖晶石（通常为深红色）。
• Tourmaline is the most multi-colored natural gemstone in the world.
  碧玺是世界上最多彩的自然宝石。
• A brown or yellow-green olivine found in igneous and metamorphic rocks and used as a gemstone.
  一种褐色或黄绿色的橄榄石，见于火成岩和变质岩中，用作宝石。
• A kind of pink beryl used as a gemstone.
  绿玉的一种，用作宝石。