单词

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pitchblende

英 ['pɪtʃblend] 美 ['pɪtʃ,blɛnd]

n. [矿物] 沥青铀矿

双语例句

1. Pitchblende and chalcolite are much more radioactive than uranium itself.: 沥清铀矿和铜铀云母比纯铀的放射性强得多.