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单词 boron
释义
boron
noun [ U ] uk/ˈbɔː.rɒn/ us/ˈbɔːr.ɑːn/ (symbol B)
(一种非金属化学元素,质硬,黄褐色,用于核反应堆中以吸收中子;其化合物在制造业中非常重要)
a hard, yellow-brown chemical element used in nuclear reactors to absorb neutrons and in various compounds that are important in manufacturing
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