A soft, silvery-white chemical element, atomic number 63, which is a rare earth metal of the lanthanide series. Symbol Eu.
| 单词 | θ68779 |
| 释义 | the world > matter > chemistry > elements and compounds > metals > specific elements > europium > [noun] (1) europium1901 A soft, silvery-white chemical element, atomic number 63, which is a rare earth metal of the lanthanide series. Symbol Eu. |
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