gemstone ['dʒemstoʊn]

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。
  来自柯林斯例句
• He beguiled me into parting with the gemstone.
  他诱骗我把那枚宝石割爱。
  
• Cairne Bloodhoof: The gemstone has inscription on its base.
  凯恩·血蹄: 这块宝石底座上有题词.
  
• I said, How could a fly get inside a gemstone?
  来自NEWYORKER