累计查询 0.00 亿次

iridium

英 /ɪˈrɪdiəm/美 /ɪˈrɪdiəm/
  • n.
    [化学] 铱（Ir）

双语例句

  1. This iridium anomaly offers strong support for the Alvarez hypothesis even though no asteroid itself has ever been discovered.
    这一铱异常为阿尔瓦雷斯假说提供了强有力的支持，尽管小行星本身从未被发现。
  2. Iridium occurs in meteorites and volcanic material, but in the latter case it is accompanied by elevated levels of nickel and chromium.
    铱存在于陨石和火山物质中，但在火山物质中同时包含高浓度的镍和铬。
  3. They had found, accidentally, that a rare metal, iridium, suddenly became very abundant exactly at the boundary and then slowly fell away.
    他们偶然发现一种稀有金属铱的含量在边界处突然变得很丰富，然后又慢慢地消失了。

网络短语

  • iridium anomaly
    铱异常
  • iridium oxide
    氧化铱；二氧化铱；三氧化二铱；二水合氧化铱
  • Iridium System
    铱系统；铱计划
  • iridium alloy
    铱合金
  • Sinus Iridium
    虹湾

英英释义

  • n.a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium

词源

  • iridium铱
    来自希腊语iris,彩虹，因这种金属元素散发出五彩斑斓的光泽而得名。