Doug and Tina Suhr have more than 100 milking cows on their family farm.
道格和蒂娜苏的家庭农场有超过100只奶牛。
The upper terrace, old area of milking cows, retains its character and proportions of origin.
顶部露台原本是挤牛奶的地方,建造师又保留了其原始的特征和原始大小。
Doug and Tina Suhr have more than one hundred milking cows on their family farm.
VOA: special.2009.05.12
Here is how they work: Cows are trained to follow a series of paths that lead to milking stations.
VOA: special.2009.05.12
Cows need about two to four weeks to learn to use the robotic milking systems.
VOA: special.2009.05.12
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