单词fox squirrel
na.: 【动】黑松鼠 (Sciurus niger)
网络: 狐松鼠；大松鼠；狐狸松鼠
【动物;动物学】黑松鼠〔产于北美东部〕
Mr Phelps, 51, has seen the fox squirrel, a native of North America, become so overweight that a low-calorie diet would seem to be required.
菲尔普斯51岁，他曾经看到过北美当地的黑松鼠过度肥胖，所以认为有必要给他们提供低热量的饮食。