A soft, silvery-white, metallic chemical element of the lanthanide series, atomic number 59, which is used in mischmetal and some other alloys…
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| 释义 | the world > matter > chemistry > elements and compounds > metals > specific elements > praseodymium > [noun] (1) praseodymium1885 A soft, silvery-white, metallic chemical element of the lanthanide series, atomic number 59, which is used in mischmetal and some other alloys… |
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