iridium 英式发音[ɪ'rɪdɪəm; aɪ-]美式发音[ɪ'rɪdɪəm]
iridium相关例句和用法
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。
iridium英英释义
[化]铱英释中释na hard and very heavy metal that is combined with platinum to make jewellery and is used in scientific instruments. It is a chemical element : symbol Ir
