pitchblende是什么意思
- 英式英标[\'pɪtʃ,blɛnd]
- 美式音标[\'pɪtʃblend]
英文词源
- pitchblende (n.)
- also pitch-blende, 1770, a loan-translation of German Pechblende; see pitch (n.2) + blende.
实用例句
- 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.
来自辞典例句
