radioactive metal

• 放射性金属

radioactive metal的用法和样例：

例句

1. A radioactive metallic_element that is similar to tellurium and bismuth,occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor.
   一种放射性金属元素，类似碲和铋，见于铀矿，但能通过用中子轰击铋的核反应制造。