Pigeons are often seen as dirty birds and an urban nuisance, but they are just the latest in a long line of animals that have been found to have abilities to help humans.

A rat or pigeon might not be the obvious choice to tend to someone who is sick, but these creatures have some superior skills that could help the treatment of human diseases.

老鼠和鸽子也许不是照看病人的最好的选择，但是这些生物有着较好的技能帮助人类治疗疾病。

Despite having a brain no bigger than the tip of your index finger, pigeons have a very impressive visual memory.

尽管鸽子只有一个不大于你食指尖大小的脑子，它们却有着非常惊人的视觉记忆。

For example, it may only be through repeated experiments, evidence gathering, and finally overturning a theory, that a baby will come to accept the idea that other people can have different views and desires from what he or she has, for example, unlike the child, Mommy actually doesn't like Dove chocolate ．

例如，可能只有通过反复的实验、收集证据并在最后推翻一个理论时,婴儿才会接受这样的想法,即其他人可以有不同的观点和愿望，比如妈妈不是小孩，她不喜欢德芙巧克力。

When this water is used for agricultural irrigation, farmers risk absorbing disease-causing becteria, as do consumers who eat the produce raw and unwashed.

当这些水资源被利用成农业灌溉水，农民们将有可能面临吸收致病细菌的风险，而那些吃掉生的、未清洗的产品的消费者们也将面临同样的风险。

Their clothes were dirty and their hair unwashed.

他们衣服肮脏，头发未洗。

I think that things have become very gloomy these day, lots of misunderstanding, misleading cues, a lot of what the ancients would have called sophistry.

我认为目前情况已经变得很糟糕，有很多误解和误导性信息，很多古人会称之为诡辩的东西。

These make alcohol less easy to get and reduce the number of psychological cues to drink.

这使人们不那么容易买到酒，以此减少饮酒的心理暗示。

Local leaders and educators will develop their own creative solutions, but we must work together to enhance our focus on how to better recruit, support and retain effective teachers and principals for all students, especially the kids who need them most.

地方官员和教育工作者都将形成他们自己的创造性解决方案，但是我们必须共同努力，增强我们对于如何更好地为所有学生招募、支持和留住优秀教师和校长的关注，特别是那些最需要他们的孩子们。

His job is to recruit for the army.

他的工作是为陆军募兵。

No employee can be recruited without the prior approval of the manager.

事先未征得经理的同意不可以招收任何员工。

Sharks feed on fish, other sea animals, or smaller sharks.

鲨鱼以鱼、其他海洋动物或较小的鲨鱼为食。

White storks feed on locusts and other insects that can become pests if their numbers get out of hand.

白鹳吃蝗虫和其他昆虫，这些昆虫如果数量失控就会变成害虫。

"There are huge clusters of organic waste they can feed on," said Flack.

“有巨大的有机废物堆可供它们食用，”弗拉克说道。

My sister and I both all say, Peace all year round to my parents!

我和我的双胞胎姐姐都说，平安一年到头都在对我的父母！

Later, when farmers learned to use lights and underground heat to grow crops all year round in the greenhouse, things changed a lot.

后来,当农民们学会了在温室里用灯光和地下暖气终年种植庄稼时,情况发生了很大变化。

Molly had walked a dog for a neighbor and saved her money all year to buy Mum the gloves.

莫莉为邻居遛狗,攒了一整年的钱给妈妈买手套。

For example, Mars has seasons with different weather, but other planets have the same temperatures all year round.

例如,火星有不同天气的季节,但其他行星全年的温度相同。

They are tall and green all year round.

它们一年四季都是又高又绿的。

Not a student? Go to the government website to learn about programs and online tools available to help people under 30 build skills, find a job or start businesses all year round ．

不是学生?访问政府网站,了解可用于帮助30岁以下的人发展技能、找到工作或创业的计划和在线工具。

The study shows mothers matter all year long and not just on Mother's Day. The emotional, physical and mental energy mothers devote to their children can be never-ending.

这项研究表明，母亲一年四季都很重要，而不仅仅是在母亲节。母亲们为孩子奉献的情感、身体和精神能量是永无止境的。