在许多发展中国家，农民的生活极其艰难。

In many developing countries, the life of a ___peasant farmer is extremely hard.

研究人员采访了当地农民，以收集农业实践的数据。

The researcher interviewed local ___peasants to gather data on agricultural practices.

历史上，农民构成了封建经济的支柱。

Historically, ___peasants formed the backbone of the feudal economy.