英语词汇thorium dioxide怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	thorium dioxide
释义	thorium dioxiden.（名词） A heavy white powder, ThO₂, obtained from monazite and used mainly in ceramics, glass, and gas mantles and as a catalyst. Also called thoria 二氧化钍：一种从独居石中提取的白色粉末ThO₂，主要用于陶瓷、玻璃和灯罩及用作催化剂也作 thoria
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