adult female hog

例句：

1. 1. The adult female hogs are kept in a pen for breeding purposes.
   成年雌性猪被养在围栏里用于繁殖。
2. 2. The farmer is looking for a mature female hog to breed with his bulls.
   农民正在寻找一只成熟的雌性猪与他的大公牛交配。
3. 3. The hogs are being raised for meat and their offspring will be sold as bacon.
   这些猪被饲养用来生产肉，它们的后代将被作为培根出售。