| 词汇 | pitchblende |
| 释义 | pitchblendeEarth sciences pitch·blende /ˈpɪtʃblend/ noun [uncountableU] HEa dark shiny substance dug from the earth, from which uranium and radium are obtained 沥青铀矿 Examples from the Corpus pitchblende• The cliff contains pitchblende veins that have been sources of dissolved uranium.• Veins of pitchblende in the cliff are the source of uranium in the flat floodplain deposits at the foot of the cliff. |
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