单词	thoria
释义	thoria noun tho·​ria ˈthȯr-ē-ə  : a powdery white oxide of thorium ThO2 used especially as a catalyst and in crucibles and refractories and optical glass Word History Etymology New Latin, from thorium + -a First Known Use circa 1841, in the meaning defined above
随便看	archduke archdukedom archdukedoms archdukes arche Archean Archean protaxis archeaner archeanest archeanner archeannest archebiosis archecentric arched arched squall archedictyon archegone archegonia archegonial archegonial chamber Archegoniata Archegoniatae archegoniate archegoniates archegoniophore

英语词典包含469781条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。