单词 | Pd |
释义 | Pd (once / 17668 pages) n WORD FAMILY Pd USAGE EXAMPLESPd stolen peeks when the teacher’s back was turned. Jeffrey Eugenides, Middlesex: A Novel(2002) Pt, Pd and Rh derived from catalytic converters that reduce poisonous exhaust emissions are enriched in road dust. Forbes(Jul 15, 2013) Pd. for an iron rod to hang singers’ garland on 0 0 8. Andrews, William, Old Church Lore(2012) n a silver-white metallic element of the platinum group that resembles platinum; occurs in some copper and nickel ores; does not tarnish at ordinary temperatures and is used (alloyed with gold) in jewelry Syn|Hyper atomic number 46, palladium metal, metallic element any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. |
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