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 green andradite used as a gemstone.
  一种用作宝石的绿色钙铁榴石。
• A rare hard yellow green mineral consisting of beryllium aluminate in crystal form; used as a gemstone.
  一种稀有的、坚硬的黄绿色矿物，由铝酸铍构成，呈结晶状，用作宝石。
• A kind of pink beryl used as a gemstone.
  绿玉的一种，用作宝石。
• 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。
• This is my favorite gemstone properties reference.
  这是我最喜欢的宝石属性引用。
• 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 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。
• Malachite is the anniversary gemstone for the13th year of marriage.
  孔雀石是对结婚13年周年的宝石。
• 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。
• There is a huge range of gemstone quality.
  这是一个巨大范围的珠宝玉石质量。