这可以防止空气任意流入肺部。
我们希望防止任何不愉快的事发生。
这些措施旨在防止暴力犯罪。
做些事前筹划可防止多起事故的发生。
我们正在采取措施防止污染。
这些活动的目的是防止关节僵硬或变形。
The object of these movements is to prevent stiffness or deformity of joints.
今天市政府已经采取了措施来防止去年的冲突重演。
Today the city government has taken measures to prevent a repetition of last year's confrontation.
紧急谈判正在进行中，以防止市场在夏天陷入金融崩溃。
Urgent talks are going on to prevent the market going into financial meltdown during the summer.
提前发出的洪水水位上涨警报防止了又一次的重大灾害。
Early warnings of rising water levels prevented another major catastrophe.
到目前为止，科学家们几乎没有该药物在防止更严重的感染后果的功能的明确证据。
Until now scientists had very little clear evidence about the drug's role in preventing more serious effects of infection.
一项防止泄漏的技术正在被安装。
这样可以防止雨水顺着墙面涌下。
它们以藻类为食，防止藻类压垮珊瑚。
这些新出台的措施旨在防止暴力犯罪。
These newly launched measures are aimed at preventing violent crime.
沙克特说，视觉提示有助于防止走神。
Visual cues can help prevent absent-mindedness, says Schacter.
我们应该防止高科技跨国公司的垄断。
它可以防止员工感到无聊。
他们防止伪造移民证件。
彼得刚好及时赶到，防止山羊从悬崖边上掉下去。
Peter only just came in time to prevent the goat from falling down over the very edge.
在冬天，ECC可以通过电流加热，从而防止结冰。
In the winter, ECC can be heated by passing an electric current through it, thereby preventing ice buildup.
这些动作可以促进咽鼓管合并，调节内耳压力，减轻或防止耳痛。
These movements can promote the eustachian tube merge, adjusts the internal ear pressure, reduces or prevents the earache.
救援人员用支柱防止隧道顶塌陷。
Rescuers used props to stop the roof of the tunnel collapsing.
臭氧是地球防止紫外线辐射的屏障。
Ozone is the earth's barrier against ultra-violet radiation.
汽车后门装有防止儿童开启的锁。
良好的培训课程会防止许多问题产生。
皮套子被套在了马蹄上，防止它们弄脏了跑马场。
Leather overshoes were put on the horses' hooves to stop them from marking the turf.
一位老妇人正在往地板上撒滑石粉以防止舞鞋打滑。
An elderly woman was strewing the floor with chalk so that the dancing shoes would not slip.
为防止发生无法预料的紧急情况，人们给房屋、家具和汽车投保。
For protection against unforeseen emergencies, you insure your house, your furnishings and your car.
防止超市扔掉食物意义重大。
It's meaningful to prevent supermarkets from throwing away food.
记得戴上墨镜，防止阳光直射眼睛。
Remember to use sunglasses to stop the sun from shining directly in your eyes.
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