托福阅读指代提求解however,show experts that Pakicetus is a transitional form between a group of extinct flesh-eating mammals,the mesonychids,and cetaceans.It has been suggested that Pakicetus fed on fish in shallow water and was not yet adap
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![托福阅读指代提求解however,show experts that Pakicetus is a transitional form between a group of extinct flesh-eating mammals,the mesonychids,and cetaceans.It has been suggested that Pakicetus fed on fish in shallow water and was not yet adap](/uploads/image/z/15128952-24-2.jpg?t=%E6%89%98%E7%A6%8F%E9%98%85%E8%AF%BB%E6%8C%87%E4%BB%A3%E6%8F%90%E6%B1%82%E8%A7%A3however%2Cshow+experts+that+Pakicetus+is+a+transitional+form+between+a+group+of+extinct+flesh-eating+mammals%2Cthe+mesonychids%2Cand+cetaceans.It+has+been+suggested+that+Pakicetus+fed+on+fish+in+shallow+water+and+was+not+yet+adap)
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