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

• 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。
• 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）。
• A kind of pink beryl used as a gemstone.
  绿玉的一种，用作宝石。
• A blue mineral of magnesium and iron and aluminum and silicon and oxygen; often used as a gemstone.
  一种含有镁、铁、铝、硅、氧的蓝色矿物，用作宝石。
• A precious transparent stone of rich blue corundum valued as a gemstone.
  一种珍贵的透明蓝色刚玉，用作宝石。
• We have been able to absorb precious metal and gemstone cost increases while improving our gross and operating margins.
  我们能够消化贵金属和宝石的成本上涨，同时提高我们的毛利润率和营运利润率。
• This is the strongest physical healing gemstone that I know.
  这就是最有力的物理治疗宝石，我知道。
• There is a huge range of gemstone quality.
  这是一个巨大范围的珠宝玉石质量。
• A deep blue cordierite often used as a gemstone.
  一种深蓝色的堇青石，用作宝石。