Platiniridium
[,plætini'ridiәm]
解釋/意思:
(n.) A natural alloy of platinum and iridium occurring in grayish metallic rounded or cubical grains with platinum.
爱丽丝錄入
[,plætini'ridiәm]
(n.) A natural alloy of platinum and iridium occurring in grayish metallic rounded or cubical grains with platinum.
爱丽丝錄入