“platinum metal”的概念、定义、翻译、参考文献-科学参考

单词	platinum metal
释义	platinum metal [`plat·ǝn·ǝm `med·ǝl] ^CHEMISTRY A group of transition metals that includes ruthenium, osmium, rhodium, iridium, palladium, and platinum.
随便看	military specification military standard test military target idiosome Idiostolidae idiosyncrasy idiot idiot tape I display idle idle component idle current idler arm idler frequency idler gear idler pulley idler wheel idle-stop solenoid idle time idle trunk lamp idling jet idling system idocrase Idoteidae IDP

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