Prairie voles are furry little rodents that live throughout North America.

草原田鼠是遍布北美的一种毛茸茸的啮齿目动物。

It was actually really hard to get prairie voles to press a lever for a reward.

实际上，要让草原田鼠按下杠杆获得奖励是非常困难的。

In the first phase, they had to teach the prairie voles how to open a door controlled by a lever.

在第一阶段，它们必须教会草原田鼠如何打开被杠杆控制的门。

No, I'm not a prairie vole. I'm me.

不 我不是草原田鼠 我就是我。

Have only one mate their whole life. Otters, penguins, the prairie vole.

而是一生只有一个伴侣 像水獭 企鹅 草原田鼠。

Social relationships are very important for human biology and prairie voles are one of the only species that are studied in the lab that exhibit this trait.

社会关系对人类生物学至关重要，而草原田鼠是少数在实验室研究中展现出该特征的物种。

To better understand how lifelong bonding works, Beery and her team wanted to know if both male and female prairie voles make equal investments in making the long haul work.

为了更深入了解终生关系的运作方式，Beery 和团队想知道在长期合作中，雌雄草原田鼠的投入是否相等。

For prairie voles, the investment seems a bit skewed to the female side, but no need to throw shade on the males, Beery says, there's likely a legit explanation out there.

Beery 说，对草原田鼠来讲似乎雌性的投入更多一些，但也无需因此鄙视雄性——可能这有合理的解释。