保里洛说，河马有时会保护其他动物免受鳄鱼的伤害。
Paolillo says hippos sometimes protect other animals from crocodiles.
美国格拉斯哥大学的韦姆•温得斯保韦德博士以及他在马萨诸塞州洛厄尔大学的同事们共同进行了此次研究。
The team was led by Dr Wim Vanderbauwhede, of the University of Glasgow, and colleagues at the University of Massachusetts Lowell.
如果说青春也有缺点，那就是它消逝得太快。——拉·洛威尔有些人到了老年才第一次体验自己的青春。——保。
If the youth also have shortcomings, that is it gone too soon. — La Lowell some people get old before the first experience of his youth. —.
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