iridium 核心词议:
n. 铱
Iridium 基本解释
速记方法
速记技巧
词源词根法
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。
知识扩展
中文词源
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。
中文词源:
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。
Iridium
精选例句
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。
常见考点例句:
- Indeed , two iridium layers have been found in some places .
- 确实,有些地方发现了有两个铱层。
- Platinum , iridium and the rest are expensive precisely because they are rare .
- 正因为稀有,铂、铱等矿物才价格不菲。
- Analyzing the fossils at this small site , they counted 52 distinct species just below the iridium layer .
- 他们分析了这个小地区的化石层,一共计算了在铱层下面的52个不同物种。
- Further examination revealed a crater rich in shocked quartz and iridium , minerals that are commonly found at impact sites .
- 进一步的调查显示火山口富含冲击石英和铱,在撞击地点一般都可发现这两种矿石。
- Iridium can also be found in crystals in computer memory devices , deep-water pipes , x-ray telescopes and the equipment that makes rayon fibers .
- 在电脑内存设备护面,深水导管,x射线望远镜和制造粘胶纤维的设备中,也都能找到铱的身影。