Cattle are herbivorous animals.牛是吃草的动物.Mammoths were herbivorous mammals.猛犸是食草性哺乳动物。This bacterial decay of cellulose also occurs in the gut of most herbivorous animals.在很多食草动物的肠内这种纤维素也能被细菌分解....
The two biologists found, to their surprise, that both groups of birds survived equally well.这两位生物学家惊奇地发现，两组鸟都很好地存活了下来。This substance has now been cloned by molecular biologists.该物质现在已被分子生物学家克隆。The biologists are studyin...