别把实习生当苦力使唤。

Don't treat interns as ___peons to do all the dirty work.

工厂里的普通工人工资很低，工作环境也很差。

The factory ___peons receive low wages and work in poor conditions.

殖民时期，大量农民被迫成为庄园里的苦力。

During colonial times, many peasants were forced to become ___peons on the estates.