Alternatively, small mammals such as mice and ground squirrels are important in the diet of many waterfowl-nest predators and can themselves be important predators of songbird nets.

另外，小型哺乳动物，如老鼠和地松鼠是许多水禽捕食者的重要食物，它们自己也可能是鸣禽网的重要捕食者。

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When researchers at the University of Toronto put rats on a 40-percent-fat diet, the rats lost ground in several areas of mental function, including memory, spatial awareness and rule learning.

当多伦多大学的研究人员使老鼠增加40%的脂肪，老鼠在脑功能的几个区域有所减退，包括记忆、空间识别和口令学习。

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MALONE GRABBED a DIET PEPSI FROM the REFRIGERATOR AND walked down four flights of stairs to the ground floor.

马龙从冰箱里，抓起了一罐无糖百事可乐，走下四层楼梯，一直到底楼。

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