However, when two monkeys were placed in separate but adjoining chambers, so that each could observe what the other was getting in return for its rock, their behavior became markedly different.
然而，当两只猴子被放置在不同但相邻的房间里，以便让它们观察到对方用石头换来了什么时，它们的行为就变得明显不同了。
Chinese scientists have successfully cloned two monkeys.
中国科学家成功克隆了两只猴子。
It's a big baby, but it's very quiet. Here are two monkeys, a mother and a baby.
这儿是两只小猴子，一只是妈妈一只是小宝宝。
In a study using monkeys, the experiment was set up so that two monkeys obtained food by cooperating with each other.
有一个用猴子做的研究，实验的设置，使得两只猴子必须互相协作才能取得食物。
The two monkeys, Macduff and Oberon, are housed at the New York State Psychiatric Institute, where Terrace has a joint appointment.
两只猕猴，麦克·达夫和奥伯龙，居住在纽约州精神病研究院，特勒斯在那里有一项兼职工作。
However, when two monkeys were placed in separate but adjoining Chambers, so that each could observe what the other was getting in return for its rock, their behaviour became markedly different.
然而当两只猴子被关在分开但相邻的两间屋子、让它们能互相看到对方用石块交换到什么物品时，他们的行为就明显不一样了。
The researchers spent two years teaching their monkeys to exchange tokens for food.
研究人员花了两年时间教他们的猴子用代币换食物。
Caloric-restriction projects underway in two species more closely related to humans—rhesus and squirrel monkeys—have made scientists optimistic that CR mimetics could help people.
对与人类联系更密切的两个物种——猕猴和松鼠猴——进行热量限制的项目，使科学家对模拟热量限制可以帮助人类抱有乐观的态度。
Two squirrel monkeys that were colour-blind from birth have had their vision restored after receiving gene therapy.
通过接受基因疗法，两只天生色盲的松鼠猴现在已经能辨别颜色了。
The march of old age may be unstoppable, but two new studies in mice and monkeys suggest we can at least tinker with the ageing process - and offer a glimpse at how anti-ageing medications could work.
晚年前进的步伐可能无法阻挡，但在老鼠和猴子的两个新的研究中，表明我们可以至少略微的阻挡年老的进程——让我们看看抗衰老药物如何起作用。
In one experiment, rhesus monkeys and university students had to choose the bigger of two sets of geometrical objects that appeared briefly on a computer monitor.
在一个试验里，电脑屏幕上快速地闪过两组几何体，恒河猴和大学生被要求在两组几何形状中挑选出比较大的那些。
For the new Neuron study, Antzoulatos trained monkeys to assign patterns of dots into one of two categories.
为了进行这项新的研究，安索拉·托斯训练两只猴子将圆点的图案归类到两个类别之一中。
Wet or dry, there would be monkeys in the trees, nightjars in the headlights and silent figures walking, running or mounted-often two at a time-on unlit bicycles.
不管是旱季或雨季，树上总有猴子，汽车前灯照射下总有夜鹰，还有默默的行人，走着的、跑着的，还有不亮灯自行车(经常是两个人骑一辆车)。
Importantly, Brannon's team found that monkeys, like humans, make more errors when the ratio between the two groups is smaller.
重要的是，布赖农的研究小组发现，就像人一样，展示给恒河猴的两组几何形状之间的大小越接近，猴子们也越容易犯错误。
Sam and Dalton, two male squirrel monkeys, were able to see the world in full colour five months after being treated, doctors said.
Sam和Dalton是两只雄性松鼠猴，医生称，它们在接受该治疗五个月后，所看到的世界就是全彩的了。
In this scenario, the monkeys were again initially presented with two colored targets.
在这种场合下，猴子开始又被呈现两种有颜色的目标。
But -modern primates are divided into two main groups: the lemurs and bush babies on one hand, and the monkeys and apes on the other.
不过，现代灵长目分为两个主要的分支：狐猴和丛猴同属一个分支，猿猴和无尾猿则属于另外一个分支。
He and his colleagues trained two rhesus monkeys to follow a moving target on a computer screen.
他与同事们训练两只恒河猴注视电脑屏幕上移动的目标。
The monkeys were first given the option of choosing between one of two colored targets.
猴子们首先可以在两种颜色的目标之间选择。
Sharply cutting calories in the diets of rhesus monkeys was found to reduce aging-related deaths, according to a study that followed 76 monkeys for two decades.
根据一项为期20年对76只猕猴进行的研究，大幅降低猴子饮食的热量能降低它们死于与衰老相关疾病的几率。
A survey of two islands near Zhuhai, south Guangdong, finds 643 seed plants of which 172 are eaten by Rhesus Monkeys. Vegetation restoration is recommended using native plants.
调查广东南部近珠海市的两个岛屿，发现643种野生植物，当中狝猴采食的有172种。建议应用乡土植物进行植被恢复。
Two spider monkeys cool off from the intense summer heat with ice cream in the city zoo of Rio DE Janeiro, Brazil.
两只蜘蛛猴在里约热内卢市动物园吃着雪糕在酷暑下降温，巴西。
When they experienced the same stressor together with one or two other monkeys, the stress reaction went significantly down.
当和另一两只放在一起体验同样的压力元素，压力反应显著下降。
Now, the monkeys meet two guys who aren't giving them bonuses; they're actually giving them less than they expect.
现在，有两个人与猴子进行交易，他们都不给猴子奖励，实际给猴子的比猴子预计的少。
The monkeys did not all have two copies of MECP2, as in the human syndrome, but most had more MECP2 than normal, an overexpression of the gene.
不是所有猴子都像患有该综合症的人类一样，带有两组MECP2基因，但是大多数猴子的MECP2基因比正常的猴子要多，这是基因的过表达。
Poaching and forest fires are two of the main causes for the decrease in population, according to Yang Yeqin, director of Guizhou's Fanjingshan National Nature Reserve, where most of the monkeys live.
偷猎和森林火灾是导致种群数量减少的两个重要原因，据杨叶青说，贵州梵净山国家级自然保护区，是猴子数量最多的一个区域。
Poaching and forest fires are two of the main causes for the decrease in population, according to Yang Yeqin, director of Guizhou's Fanjingshan National Nature Reserve, where most of the monkeys live.
偷猎和森林火灾是导致种群数量减少的两个重要原因，据杨叶青说，贵州梵净山国家级自然保护区，是猴子数量最多的一个区域。
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