They say that instead of " government issue" or " general issue, " " GI" came from the words " galvanized iron."

他们称GI既不是government issue，也不是general issue，它是galvanized iron的缩写。

The American soldier was said to be like galvanized iron -- a material produced for special strength.

美军士兵被成是像白铁，种产生特殊力量的物质。

The " Dictionary of Soldier Talk" says " GI" was used for the words " galvanized iron" in a publication about the vehicles of the early 20th century.

士兵常用语字典称，在20世纪早期份关于车辆的刊物中GI被称为是白铁。