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
It's for a book.
是为一本书拍的。
Beautiful day, isn't it?
今天天气真好,是不是?
'I've been coming up here night after night for weeks now.