(noun.) a heavy toxic silvery-white radioactive metallic element; occurs in many isotopes; used for nuclear fuels and nuclear weapons.
编辑:罗比
双语例句
In the mean time the French scientist obtained radiations from metallic uranium and from uranous salts. 李贝.西洋科学史.
There is (according to Soddy) about on e part of radium in five million parts of the best pitchblende, but the new element is about one million times more radio active than uranium. 李贝.西洋科学史.
Cur ie examined at the same time the salts of uranium and a number of uranium ores. 李贝.西洋科学史.
There is some ground for thinking that lead is the end product of the Uranium series. 李贝.西洋科学史.