fatten|fattened|fattening

农场主给鸡喂玉米让它们长肥。

The farmer feeds corn to the chickens to ___fatten them up.

农场主在宰杀前会用谷物把牛养肥。

Farmers ___fattened the cattle with grain before slaughter.

每天吃快餐很容易让人发胖。

Eating fast food every day is very ___fattening.