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. This is five-two-one double eight three-five.
不,这里是521-8835。
Are most people against the proposal?
是多数人都反对这个提议吗?
I ought to go home. I have to cook supper for my grandmother.