thorium

美音音标: ['θɔ:riəm] thorium
英音音标: ['θɔ:riəm] result.0.expl|add:"

同义
th thorium atomic number 90
词性
n
解释
a soft silvery-white tetravalent radioactive metallic element; isotope 232 is used as a power source in nuclear reactors; occurs in thorite and in monazite sands
示例
None