英语语法分析

He had been working in a piggery for 12 months.

以前他曾在养猪专场工作过12个月。

Piggery wastewater is a significant agricultural pollutant resources.

养猪场废水是农业重大污染源。

So, obviously, home in chinese had certain relation with piggery in ancient time.

用拆字先生的办法，望文生义，家最初和猪圈有关。