Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/985433f7dcda4745d42319bcf437e9c8.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 pitchblende英英字典_pitchblende剑桥英语解释_pitchblende柯林斯英文解释_按摩法牛津词典
1. N a blackish mineral that is a type of uraninite and occurs in veins, frequently associated with silver: the principal source of uranium and radium. Formula: UO2 沥青铀矿