详细解释:【计】 物理单元
【医】 钚(94号元素)
英语解释：
名词 pu:
a solid silvery grey radioactive transuranic element whose atoms can be split when bombarded with neutrons; found in minute quantities in uranium ores but is usually synthesized in nuclear reactors; 13 isotopes are known with the most important being plutonium 239同义词：plutonium, atomic number 94