PO

详细解释:邮局, 邮政汇票
【医】 口服, 经口

词型变化：

异体字:p.o.

英语解释：

名词 po:

a radioactive metallic element that is similar to tellurium and bismuth; occurs in uranium ores but can be produced by bombarding bismuth with neutrons in a nuclear reactor同义词：polonium, atomic number 84