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 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。
• This is my favorite gemstone properties reference.
  这是我最喜欢的宝石属性引用。
• 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 green variety of chalcedony valued as a gemstone.
  一种绿色的玉髓，视作宝石。
• A deep blue cordierite often used as a gemstone.
  一种深蓝色的堇青石，用作宝石。
• I was named Aquamarine after a rare and precious gemstone.
  我的名字代表一种稀少的珍贵的宝石。
• 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。
• 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 transparent purple variety of quartz; used as a gemstone.
  一种透明的紫色石英，用作宝石。
• A kind of pink beryl used as a gemstone.
  绿玉的一种，用作宝石。