work的过去式和过去分词怎么是wrought?

问题描述:

work的过去式和过去分词怎么是wrought?
wrought
[ rC:t ]
vbl.work的过去式和过去分词
adj.做成的,形成的,精炼的,[冶](金属)锻造的

有两种写法:
work----worked-----worked
work----wrought -----wrought