Once upon a time, according to an old story, several kinds of animals were living together in a stable. There were mice and sheep, a horse, a donkey, some cows, chickens, and even a rat.
有一个古老的故事是这样的：从前，有几种动物一同住在一个马槽里，当中有耗子、羊、一匹马、一匹驴，还有一些牛和鸡。
The repeat patterns in the smoke made lots of people smell a rat and it turned out that Hajj had even copied some of the buildings.
烟雾中重复的样式让很多人感到可疑，结果证实，哈吉甚至复制了其中的一些建筑物。
There are more of them, researchers don't get as attached to them, and there are some things even a laboratory rat just won't do.
他们数量更多，研究员对他们也不会产生感情，而且他们还能做一些连实验室的老鼠都做不了的事。
Did you hear that medical laboratories have started using lawyers instead of white rats there are more of them and there are some things even a laboratory rat just won't do.
你听说了吗？医学实验室已经不用白鼠而开始用律师了。律师比白鼠多。而有些事就是实验室的老鼠也做不了的。
In some cases he was even possessed of a muzzle, and long rat tails were not uncommon.
特别是，有时他甚而有了吻部，并且长长的尾部连接线条不是不平凡的。
For instance, the birds who have no tree branches, or even plants, in which to make a nest have to compromise and to take shelter in rat holes, for which they must find some branches in winter time.
比如不能择枝而栖，甚至连在草丛安家也成奢望的飞禽，只能在鼠洞里屈就，而其宿费就是在寒冬时节必须衔枝而归，这种鸟鼠同穴的景象只有在世界屋脊才能随处可见。
For instance, the birds who have no tree branches, or even plants, in which to make a nest have to compromise and to take shelter in rat holes, for which they must find some branches in winter time.
比如不能择枝而栖，甚至连在草丛安家也成奢望的飞禽，只能在鼠洞里屈就，而其宿费就是在寒冬时节必须衔枝而归，这种鸟鼠同穴的景象只有在世界屋脊才能随处可见。
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