3. It is a black milchcow, though, its milk is white.
别看它是一条黑母牛，牛奶一样是白的。
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4. The boys are old enough to get a job. They are becoming the milch cow of the family.
孩子们都已长大，该找工作了。他们将成为家庭的财源。
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5. Milch cow industry is one of important part of dairy industry, including breeding milch cow, raising milch cow, preventing and cure of the epidemic disease and milk production.
奶牛业是奶业系统的一个重要组成部分，主要包括奶牛培育、奶牛饲养、疫病防治和原奶生产四个环节。
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6. Meanwhile using artificial soil technology we can renew and improve the quality of our existing grassland and will build new and high quality rangeland and popularize good milchcow.
应用人造土壤技术，在恢复与提高已有草场质量的同时，还要新建一批高质量的牧场，我们再推广良种奶牛。
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7. Meanwhile using artificial soil technology we can renew and improve the quality of our existing grassland and will build new and high quality rangeland and popularize good milchcow.
