precious metal

音标发音

• 英式音标 [ˌpreʃ.əs ˈmet.əl]
• 美式音标 [ˌpreʃ.əs ˈmet̬.əl]
• 英式发音
• 美式发音

基本解释

• 贵金属，贵重金属

同根派生

英汉例句

双语例句

• Security is important when you're dealing with a large hunk of precious metal.
  当你进行大宗贵金属交易时，安全保密是异常重要的。
• And those who previously poured money into the precious metal are laughing all the way to the bank.
  而那些之前将大笔资金投入贵金属的人在去银行的路上则一直都在笑。
• Gold jewellery and other precious metal and stone accessories are popular gifts items during Thanksgiving celebrations.
  黄金珠宝等贵重金属和宝石配件在感恩节期间庆祝活动是很受欢迎的。
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原声例句

• Gold ornaments are a traditional wedding present to brides and a gift of the precious metal during Hindu religious festivals augurs good fortune.
• In the big cities, the traditional affinity to the precious metal is waning, as trends change.
• India has snapped up nearly half the precious metal the IMF is selling to shore up its finances and increase lending to developing countries.

权威例句

• Benefiting the most from increasing gold price have been the miners of the precious metal.
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词组短语

短语

• precious -metal refinery 贵金属精炼厂
• precious scrap metal 贵金属屑
• precious s metal 贵金属
• precious s metal powder 贵金属粉
• precious metal powder 贵金属粉

英英字典

剑桥英英字典

• a metal that is valuable and usually rare

柯林斯英英字典

• A precious metal is a valuable metal such as gold or silver.

专业释义

化学

• 贵金属

  One key challenge in the commercial development of homogeneous catalysis has always been the separation of precious metal catalyst from the product.
  贵金属催化剂的分离与回收一直是均相络合催化工业化的一个关键问题。

  环境科学技术

• 贵金属

  Third, IR method was used to measure the concentration of the solution, and a new calculation method for the treatment of IR-Data was developed. Catalytic complete oxidation technology and precious metal catalysts were used in this research.
  对比考察了催化剂制备的浸渍—还原法和等体积浸渍法，前者因产生一定量的贵金属损失而不适于实际应用，实验采用后者制备催化剂。

  材料科学

• 贵金属
• 贵重金属