公寓里面到处都是老鼠和蟑螂。
更常见的宠物有鱼、老鼠和鸟。
他训练我们抓老鼠和做一些工作。
猫头鹰以老鼠和其他的小动物为食。
一个星期后，老鼠和仓鼠来到家里。
老鼠和猫咪是朋友。
过去科学家们认为人们驯服猫是为了捉老鼠和保护谷物。
Scientists used to believe that people tamed cats to catch mice and protect the grain.
他们将8只成年老鼠和2种机器老鼠（一种是社会性的，一种是非社会性的）一起饲养了4天。
They housed eight adult rats with two types of robotic rat—one social and one asocial—for four days.
小白鼠身上的试验已经被重复了很多次，并扩展到从酵母到果蝇、蠕虫、鱼、蜘蛛、老鼠和仓鼠等各种生物。
The rat findings have been replicated many times and extended to creatures ranging from yeast to fruit flies, worms, fish, spiders, mice and hamsters.
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。
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.
老鼠和其他动物需要高度关注来自别的动物的社交信号，以便它们识别哪些是可与之合作的朋友或需要避免的敌人。
Rats and other animals need to be highly at tuned to social signals from others so that they can identify friends to cooperate with and enemies to avoid.
老鼠和其他动物需要对来自其他动物的社会信号有高度的协调性，这样它们才能分清哪些是可以合作的朋友，哪些是要躲避的敌人。
Rats and other animals need to be highly attuned to social signals from others so they can identify friends to cooperate with and enemies to avoid.
现在全世界的人都喜欢米老鼠和其他卡通片。
Now people all over the world enjoy Mickey Mouse and other cartoons.
这个机器老鼠和普通老鼠一样大，但看起来就像一个简易的带轮子的塑料盒子。
The robot was the same size as a regular rat but resembled a simple plastic box on wheels.
老鼠和人类有类似的生化途径。
那里有股老鼠和灰尘的味道。
一只小老鼠和一只大狮子住在一座森林里。
我吃昆虫、蠕虫、青蛙、蛇、老鼠和鸟蛋。
这栋废弃的古老建筑物是老鼠和蟑螂的聚集地。
乡下老鼠和城里老鼠是朋友。
老鼠和许多其他动物都有这两个特性，但是人类没有。
Mice and many other animals have both of these characteristics, and humans do not.
野生的大老鼠，小老鼠和蝗虫偷吃庄稼和储存的粮食。
Rats, mice and locusts eat the crops in the field or in storage.
野生的动物，比如老鼠和兔子，他们是我们的朋友还是敌人呢？
The wild creatures, such as rats and rabbits-are they our friends or our enemies?
接下来再将实验室培养皿中的人体、老鼠和仓鼠细胞置于空气样本中。
They next exposed these compounds to human, mouse and hamster cells grown in lab dishes.
研究人员在数类动物中发现了利他类型的特征，其中有狨、老鼠和蚂蚁。
Researchers have seen evidence of altruistic-type behavior in several species, including marmosets, rats, and even ants.
里面随意摆放着粘鼠板，上面粘着死老鼠和死虫子，但楼下比楼上凉爽。
There were gluetraps lying about with dead mice and beetles on them, but it was cooler there than upstairs.
对灰尘、老鼠和昆虫的恐惧来源于自我保护意识，因为它们都能传播疾病。
Fears of dirt, rats, mice andinsects are obviously self-protective, since all these carry diseases.
每天两只小老鼠和两个小矮人在迷宫里打发时间，寻找适合自己的特别奶酪。
Every day the mice and the little people spent time in the maze looking for their own special cheese.
在夏天初期我接触到那些早婚的女孩子时候，我曾听过一个老鼠和大象的故事。
I heard the story of the rat and the elephant one day in early summer, some weeks into my time among girls who are expected to marry very young.
在夏天初期我接触到那些早婚的女孩子时候，我曾听过一个老鼠和大象的故事。
I heard the story of the rat and the elephant one day in early summer, some weeks into my time among girls who are expected to marry very young.
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