| 单词 | europium |
| 释义 | europium (once / 1181932 pages) n WORD FAMILY europium USAGE EXAMPLESThe screen of your smart phone glows with color and responds to touch because it’s embedded with europium and terbium. National Geographic(Jun 10, 2016) Compact fluorescent lamps use europium and terbium, for example, and catalytic convertors rely on cerium. Nature(Apr 25, 2016) It is evident in entries like francium, germanium, scandium, polonium, europium, californium, berkelium and americium. New York Times(Jan 04, 2016) n a bivalent and trivalent metallic element of the rare earth group Syn|Hyper Eu, atomic number 63 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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