pitch blende

• 沥青铀矿

pitch blende的英文翻译是什么意思，词典释义与在线翻译：

英英释义

名词 pitchblende:

1. 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