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单词 Pd
释义
Pd
(once / 17668 pages)
n

WORD FAMILY
Pd
USAGE EXAMPLES
Pd 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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更新时间:2024/11/10 14:02:23