packing sow

例句：

1. 1.The farmer is planning to sell his packing sow next week.
   农民计划下周出售他的育肥母牛。
2. 2.The cows are being fattened for market at the farm.
   这些奶牛正在农场被育肥以供市场销售。
3. 3. The farmer's son has been working on raising a packer sow.
   农民的儿子一直在努力养一头育肥母牛。