| 单词 | radium |
| 释义 | radium (once / 5223 pages) n WORD FAMILY radium USAGE EXAMPLESThe active ingredient in these drinks was radium, a radioactive element that releases a packet of radiant energy with every atomic decay. Salon(Nov 13, 2016) This creates phosphoric acid and a radioactive byproduct called phosphogypsum that contains small amounts of naturally occurring radium and uranium. Seattle Times(Oct 05, 2016) Energy Solutions’ business — disposing of low-level nuclear waste in the Utah desert — led to people calling the arena the Dump, the Isotope and Radium Stadium. New York Times(Aug 25, 2016) n an intensely radioactive metallic element that occurs in minute amounts in uranium ores Syn|Hyper Ra, atomic number 88 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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