We are taking steps to prevent pollution.
我们正在采取措施防止污染。
They eat algae and prevent it from overwhelming the coral.
它们以藻类为食，防止藻类压垮珊瑚。
Learning to be mature and sensible can prevent us from becoming a constant source of worry to them.
学着变得成熟和理智可以防止他们不断为我们担心。
Stretching out our arms and legs before doing a vigorous exercise can prevent us from getting injured.
在做剧烈运动之前伸展胳膊和腿可以防止我们受伤。
The ability to prevent and treat AIDS has advanced beyond what many might have hoped over two decades ago.
如今人们预防和治疗艾滋病的能力已经超过了二十多年前许多人的期望。
Bitter gourd contains a physiologically active protein that can help improve immune functions and prevent cancer.
苦瓜中含有生理活性蛋白质，可以帮助提高免疫功能和预防癌症。
Young people can prevent and control myopia by spending more time outside and less time in front of books or computers.
年轻人可以通过多花些时间在户外，少花些时间在书本或电脑前来预防和控制近视。
When we always stay with the same people, how can we break down the barriers which prevent us from getting to know people with different ideas?
当我们始终和相同的人待在一起，我们怎么能打破阻止我们去了解有不同想法的人的壁垒呢？
To prevent such tragedies, firefighter Eric Velez gives talks to children in his community, explaining that they should never hide during a fire.
为了防止此类悲剧的发生，消防队员埃里克·维勒兹给社区的孩子们做了演讲，他解释道，火灾发生时不应该躲起来。
To prevent such tragedies, fire fighter Eric Velez gives talks to children in his community, explaining that they should never hide during a fire.
为了防止此类悲剧的发生，消防队员埃里克·维勒兹给社区的孩子们做了演讲，他解释道，火灾发生时，孩子们不应该躲起来。
When medical researchers learned how to prevent diseases and stop them from spreading, the quality of life for many people around the world improved.
当医学研究人员了解了如何预防疾病并阻止其传播时，全世界许多人的生活质量得到了改善。
We should prevent our children from electric shock especially when they are not capable of taking good care of themselves.
我们应该让孩子远离触电的危险，尤其是当他们还不能够很好地照顾自己的时候。
Washing hands properly is a good way to prevent us from COVID-19.
正确洗手能很好地预防新冠肺炎。
You can't change what's already happened, but you can prevent it from happening again.
你无法改变已经发生的事情，但你可以防止它再次发生。
Those green trees prevent desertification, make the air cleaner and protect people from the hot sun.
那些绿色的树木防止荒漠化，使空气更清新，保护人们免受烈日的暴晒。
It will help kids remain calm in the hard time, and encourage them to help family members to prevent the disease.
它会帮助孩子在艰难时期保持冷静，并鼓励他们帮助家人预防疾病。
Perhaps one day scientists will learn how to create a "firewall" to help prevent these attacks within the wood wide web.
也许某一天，科学家们将学会如何创造一个“防火墙”，以帮助阻挡树联网内的这些攻击。
The biggest challenge we all face is to prevent further environmental disasters. We must take action before it is too late.
我们面临的最大挑战就是避免更严重的环境灾难。我们必须尽快采取行动。
It's long been a scientific dream: to give people a special vaccine before birth to prevent them from getting terrible illnesses.
在人们出生前注射一种特殊的疫苗，以防止他们患上可怕的疾病，这一直是科学界的梦想。
As the legend has it, Shen Nong tasted hundreds of wild plants to see which were poisonous, in order to prevent people from eating the poisonous plants.
传说中，为了防止人们食用有毒的植物，神农品尝了数百种野生植物，看哪些是有毒的。
They couldn't prevent our defending the rights of the workers.
他们不能阻挠我们捍卫工人的权利。
Simple strategies can prevent respiratory infections.
简单的方法能够预防呼吸道传染病。
Rotate agricultural crops to prevent the sapping of nutrients.
不同的作物轮耕，以防止土壤养分枯竭。
Limit your naps to around 30 minutes to prevent insomnia later on.
午睡限制在30分钟左右，以防止晚上失眠。
Vitamin B-12 is necessary to produce red blood cells and prevent anemia.
维生素B-12：维生素B-12对制造血红细胞以及预防贫血症至关重要。
We will improve our ability to prevent and mitigate natural disasters.
加强防灾减灾能力建设。
We will improve our ability to prevent and mitigate natural disasters.
加强防灾减灾能力建设。
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