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, but I hope you will from now on.
是的,还没有。不过我希望从现在起就会有。
It's a large town.
这是一个很大的乡镇。
She heard the front door open and heavy footsteps in the hall.