They farm fungi, raise aphids as livestock, launch armies to war, use chemical sprays to alarm and confuse enemies, capture slaves, engage in child labour, exchange information ceaselessly.
它们培养菌类，将蚜虫当作家畜来饲养，发对军队作战，使用化学喷雾来警告和迷惑敌人，捕获奴隶，雇佣童工，并且不停地交换信息。
People who engage in threatening behaviour should expect to be arrested.
有威胁行为的人应该被逮捕。
The troops will only engage in a ground battle when all the odds are in their favour.
该部队只会在完全可能取胜的情况下进行一场地面战斗。
Unlike many mammals they do not engage in human-like behaviour.
与许多哺乳动物不同的是，它们不会做出类似人类的行为。
You can engage in an argument respectfully without stirring up anger.
你可以恭敬地进行争辩，而不激起愤怒。
During hard times, few workers were willing to strike or engage in collective action.
在困难时期，很少有工人愿意罢工或参与集体行动。
The behaviors that the birds engage in to distract predators are called distraction displays.
鸟类做来分散捕食者注意力的行为被称为注意力分散展示。
Displacement activities are activities that animals engage in when they have conflicting drives.
迁移活动是动物在有冲突的驱力下从事的活动。
One group was left undistracted while the other had to engage in a conversation using a speakerphone.
一组人不受干扰，而另一组人必须使用免提进行对话。
The precise effects vary according to whether you engage in short, fast running or long-distance running.
确切的效果取决于你是短程快跑还是长程跑步。
Right after your evening meal, engage in some sort of physical activity—a sport such as bowling, perhaps.
在你晚餐之后，参加一些体育活动，比如打保龄球。
At first, the magpies all engage in the same social behaviors that other animals do—looking behind the mirror, etc.
起初，喜鹊和其他动物一样，也会做出一些社会行为——比如照镜子等等。
According to a pediatrician, no matter what kind of play children engage in, they are learning how to create things.
一位儿科医生表示，无论孩子们玩哪种游戏，他们都在学习如何创造东西。
Inferential activity is likely only when consumers are motivated and able to engage in effortful cognitive processes.
只有当消费者被激励并能够经历费力的认知过程时，推理活动才可能发生。
The OWF is an ideal supplementary resource for learners to engage in word-building activities during topic-based lessons.
OWF是一个理想的补充资源，让学习者在以主题为基础的课程参与构词活动。
The study warns that it is teenagers who engage in all three of these practices in the extreme who are truly in jeopardy.
该项研究警告称，真正处于危险境地的是那些采取这三种极端行动的青少年。
Astronomers suspect that pairs of planets also engage in this slingshot activity, leaving them in disturbed, elliptical orbits.
天文学家怀疑成对的行星也参与了这种弹弓活动，使它们处于不规则的椭圆轨道上。
I desire to engage in exercise and I value exercise extrinsically, not for its own sake, but as a means to something beyond it.
我喜欢锻炼并看重其外在价值，并不是因为锻炼本身，而是把它作为达到一些目的的手段。
They're documenting why teaching is such a fruitful way to learn and designing innovative ways for young people to engage in instruction.
他们正在证明为什么教学是一种卓有成效的学习方式，并设计了创新的方式让年轻人参与教学。
Consistent with this view, parents and children increasingly engage in discussions of past events when children are about three years old.
与这一观点相一致的是，当孩子大约三岁时，父母和孩子越来越多地参与到对过去事件的讨论中。
In fact, they often keep their differences of opinion to themselves and merely smile and remain silent rather than engage in a confrontation.
事实上，他们经常保留自己的不同意见，只是保持微笑和沉默而不是进行对抗。
A statistic on adults who regularly engage in volunteer work helping others shows that they live longer, on average, than adults who do not volunteer.
对定期参加志愿服务帮助他人的成年人的调查数据显示，这类人群的平均寿命比不做志愿服务的成年人要长。
One widely accepted psychological definition of boredom is "the distasteful experience of wanting, but being unable, to engage in satisfying activity."
人们普遍接受的一个关于“无聊”的心理学定义是：“因为渴望但无法参与令人满意的活动而带来的不愉快体验”。
Most of these things are learned in the long developmental periods that primates have, during which they engage in countless play experiences with their peers.
大多数这些东西都是在灵长类动物漫长的发育过程中习得的，在这一过程中，它们会与同伴进行无数次的游戏体验。
When people engage in activities that help others, their brain releases endorphins, the brain's natural opiates, which induce in people a feeling of well-being.
当人们参与有助于他人的活动时，他们的大脑会释放出内啡肽，这是一种大脑中天然的麻醉剂，能让人产生幸福感。
When people engage in activities that help others, their brain releases endorphins, the brain's natural opiates, which induce in people a feeling of well-being.
当人们参与有助于他人的活动时，他们的大脑会释放出内啡肽，这是一种大脑中天然的麻醉剂，能让人产生幸福感。
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