他的堂兄，山地田鼠，是那种打了就跑的家伙。
在一项实验中，雄性草原田鼠服用了一种抑制抗利尿激素作用的药物。
In an experiment, male prairie voles were given a drug that suppresses the effect of vasopressin.
对于那些不熟悉可爱的草原田鼠的人来说，这是一种在北美中部草原上发现的小型啮齿动物。
For those unfamiliar with the delightful prairie vole, it is a small rodent found in the grasslands of central North America.
他们一般喂食白鼠、田鼠和小鸡。
“嗯，当然，先生。”田鼠恭恭敬敬地回答。
"Why, certainly, sir," replied the field-mouse respectfully.
然而今天，田鼠和巢鼠虽然很客气，却似乎心事很重。
Today, however, though they were civil enough, the field-mice and harvest-mice seemed preoccupied.
“嗯，我想今天就不去了，谢谢你。”田鼠急忙回答。
"Well, I THINK not TO-DAY, thank you," replied the field-mouse hurriedly.
他们的研究对象是草原田鼠，一种终生交配的小型啮齿动物。
Their study was conducted in the prairie vole, a small rodent that mates for life.
“我想一定是田鼠们来了，”莫尔回答说，脸上带着一丝骄傲。
"I think it must be the field-mice," replied the Mole, with a touch of pride in his manner.
在草原田鼠的大脑中，负责奖励和强化的区域有这些荷尔蒙的受体。
The prairie vole has the needed receptors in its brain for these hormones in the regions responsible for reward and reinforcement.
被点到的那只田鼠站起身来，害羞地咯咯笑着，四下打量着这个屋子，却仍然结结巴巴地说不出话来。
The field-mouse addressed got up on his legs, giggled shyly, looked round the room, and remained absolutely tongue-tied.
为什么草原田鼠不对彼此上瘾呢？
草原田鼠却不会结成配偶。
我们不是田鼠，不是豚鼠，也不是家鼠。
Humans are not prairie voles. We are not guinea pigs or mice.
地上有不显眼的无数的老鼠和田鼠之类的小动物。
Not to mention the equally numerous small animals like field mice and voles which you do not see.
我们不是田鼠，不是豚鼠，也不是家鼠。我们是人类。
Humans are not prairie voles. We are not guinea pigs or mice. We're humans.
一对单配偶的橙腹田鼠及其子女组成家庭，一起生活。
Prairie voles live in family groups consisting of a monogamous mated pair and their offspring.
草原田鼠的大脑奖赏中枢系统中有许多抗利尿激素的受体。
Prairie voles have many vasopressin receptors in the reward centres of their brains.
由此，生物学家们可以检测田鼠多样的基因如何控制其行为。
Biologists will thus be able to test theories about how behaviour is governed by the vole's various genes.
除了这些化学受体，这两种田鼠在其他身体构成上几乎完全一致。
Other than those receptors, the two vole species are almost entirely the same in their physical makeup.
因此，按照要求定向培育草原田鼠变种有助于进行研究。
Being able to create genetic variants of prairie voles to order would therefore be helpful to research.
科学家能增加草原田鼠相关受体的表达，以加强动物对同伴的依附能力。
Scientists can increase the expression of the relevant receptors in prairie voles, and thus strengthen the animals' ability to attach to partners.
田鼠的一夫一妻行为表现为紧密的社会性依附与照顾后代的意愿的结合。
Monogamy in voles takes the form of a deep social attachment combined with a willingness to care for offspring.
加压素似乎是雄性田鼠形成依恋的主要因素，雌性则是中催产素。
Vasopressin seems to be a key to attachment in male rodents. Oxytocin is the female equivalent.
事实证明以上两种田鼠行为上的巨大差异是由基因上的小小差别造成的。
It turns out that these large behavioural differences between the two species are caused by small genetic ones.
草原田鼠作为一种社会性生物，它是仅存3%的“一夫一妻制”哺乳动物中的一类。
The prairie vole is a sociable creature, one of the only 3% of mammal species that appear to form monogamous relationships.
在这样的光照条件下进行8周的实验后，田鼠被测出来类似抑郁的症状。
After eight weeks in their lighting condition, the animals were tested for depression-like behaviors.
“严格地讲,我们成瘾于爱情，”Young博士评述道，“就如同草原田鼠”。
“We are literally addicted to love, ” Dr Young observes. Like the prairie voles.
“严格地讲,我们成瘾于爱情，”Young博士评述道，“就如同草原田鼠”。
“We are literally addicted to love, ” Dr Young observes. Like the prairie voles.
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