https://online1.tingclass.net/lesson/shi0529/
更新日期：2010-07-24浏览次数：1112次所属教程：英语漫读
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A self-grooming device, called cow wash, has become cows' favorite as well as farmers'.
日前一款叫做“奶牛洗刷器”的设备成为奶牛和农场主的新宠。