a mineral consisting of uranium oxide and trace amounts of radium and thorium and polonium and lead and helium; uraninite in massive form is called pitchblende which is the chief uranium ore
同义词:uraninite
pitchblende详细解释
pitch.blende n.(名词)A massive variety of the mineral uraninite.沥青铀矿:铀矿的一种 来源:Partial translation of German Pechblende 德语 Pechblende的部分翻译Pech [pitch] Pech [沥青] Blende [blende] * see blendeBlende [混合] *参见 blende