- 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.
辞典例句
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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.
辞典例句
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