“铀云母”造句
2024年04月10日 11:37:58
沥清铀矿和铜
铀云母比纯铀的放射性强得多.
Pitchblende and chalcolite are much more radioactive than uranium itself.
铜
铀云母 ( 铜和铀的磷酸盐结晶体 ) 的放射性是铀放射性的两倍.
Chalcolite ( crystallized phosphate of copper and uranium ) is about twice as radioactive as uranium.