iridium
发音
英 [ɪˈrɪdiəm]
美 [ɪ'rɪdɪrm]
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- [通信]铱系统
单词词源
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。
双语例句
- 1. Indeed , two iridium layers have been found in some places .
- 确实，有些地方发现了有两个铱层。
- 2. 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。
- 3. 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。
- 4. 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。
- 5. 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。