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He kept a few dairy cows.
他养了几头奶牛。
《柯林斯英汉双解大词典》
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To maximize milk production, dairy cows are kept pregnant their entire short life.
为了尽可能多的得到奶制品，母奶牛短暂的一生只得不停怀孕。
youdao
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To maximize milk production, dairy cows are kept pregnant their entire short life.
为了尽可能多的得到奶制品，母奶牛短暂的一生只得不停怀孕。
youdao