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
I planned to take a few months off.
我计划休息几个月。
Who laughed a while ago?
刚才谁在笑?
In those days wandering minstrels were welcome everywhere.