plutonium
n[U]
(chemistry 化) artificially produced radioactive metallic element, derived from uranium and used in nuclear reactors and nuclear weapons 金不. =>App 10 见附录10.
🗣️ 情景例句
No, no. Please, go ahead.
不用 ,不用。你走吧。
It is not work that kills,but worry.
工作不会伤身,伤身乃是忧虑。
But there are some parts of the word where even now people cannot write.