VOA慢速英语2012.12.18 University, 科学家, 英语, profit

Rebecca949

Moving his cattle from farm to farm costs money and time. But he says if he can avoid feeding them hay, he can still make a profit. Tim DelCurto is a beef scientist at Oregon State University. 将牛在农场之间运输要费时费钱,但他说,如果能不用干草喂养,他仍能挣得一笔.Tim DelCurto 是美国俄勒冈州立大学的一名牛肉科学家.
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洋洋Elaine

to help them

clfclf12

thank you very much