"radium" 怎么发音
word
ˈɹeɪdiəm
RAY-dee-um
ɹˈeɪdiəm
RAY-dee-um
释义
Radium is a highly radioactive, silvery-white metal element discovered by Marie and Pierre Curie. It was used in the past for glow-in-the-dark products and some medical treatments, but is dangerous due to its radioactivity.
IPA 音标
美式英语
ˈɹeɪdiəm
英式英语
ɹˈeɪdiəm
简化发音
美式
RAY-dee-um
英式
RAY-dee-um
语境中听
Radium was discovered by Marie Curie in 1898.
Radium is a radioactive element.
Old clocks used radium to make the dials glow.
People didn’t know how dangerous radium was when it was first used.