uranium dioxide

uranium-dioxide的词性：
n.（名词）

1. A black, highly toxic crystalline powder, UO₂, once used in ceramic glazes and gas mantles, now used primarily to pack nuclear fuel rods.
二氧化铀：黑色、极毒的晶体状粉末，UO₂，曾用于陶瓷的釉中和煤气白炽罩中，现在主要用压紧核燃料的控制棒