farmers的单数形式是什么

例句:

The bad weather is causing problems for many farmers.

恶劣的天气给许多农民造成了困难。

Farmers still talk about the big freeze of' 99.

农民至今还在谈论1999年的大严寒。

Subsidies to farmers will be phased out by next year.

对农民的补贴将在明年之前逐步废除。

There could be further bankruptcies among small farmers.

小农场主中可能还会有人破产。

Farmers are now paid to let their land lie fallow.

农民让土地休耕现在得到了回报。