Social networks like Facebook allow users to keep in up with their friends. Now, a social network for scientists hopes to use the technology to speed up scientific progress.
社交网络，比如脸谱网，是用于让用户与朋友保持联络。而现在，科学家们想把这一技术应用于科技上，以推动科技进步。
Your chances of survival in an earthquake go up if you can keep calm.
如果你能保持冷静，你在地震中生还的机会就会增加。
Penny tended to work through her lunch hour in an effort to keep up with her work.
为了努力跟上工作进度，彭妮往往午饭时间也在工作。
The company agreed to keep up high levels of output in order to compensate for supplies lost.
该公司同意保持高产出水平以补偿损失掉的供应品。
In face of failure, it is the most important to keep up a good state of mind.
面对失败，最重要的是保持良好的心态。
In his diseased ravings he called himself the Prince of Wales, and bravely doth he keep up the character.
在他那病态的胡言乱语中，他称自己为威尔士王子，并勇敢地保持着这个称号。
Hurry up! We should keep quiet in the library.
快点！我们应该在图书馆保持安静。
"At the end of the day, there's probably little reason to pay attention to our dreams at all unless they keep us from sleeping or we wake up in a panic," Cartwright says.
卡特赖特说：“在一天结束的时候，我们可能根本没有理由去关注自己的梦想，除非它们让我们无法入睡，或者我们在恐慌中醒来。”
He walked up and down the room, to keep his blood in motion, soliloquising as before.
他在房间里踱来踱去，像刚才那样自言自语，使他的血液不停地流动。
Keep up with trends, even think about how your work might fit in with them, but don't mindlessly follow them.
跟上潮流，甚至考虑一下如何使你的工作与其适应，但不要盲目地跟随它们。
He observed that if there are too many toys in front of Cameron, he will just keep moving round them and then end up going away and finding something like a slipper to play with.
他观察到，如果卡梅隆面前的玩具太多，他就会一直绕着玩具转，最后会走开，转而找个拖鞋之类的东西玩。
In other words, they all share a view that the international tax system has failed to keep up with the current economy.
换句话说，他们都认为，国际税收体系未能跟上当前经济的步伐。
The elephant was trying to keep up with the fast-moving crocodile in the water and became careless.
大象试图跟上水里快速移动的鳄鱼，不再小心翼翼。
I am going to draw up a list of questions everyone should keep in mind when they are writing their journals.
我准备写一份清单，列出每个人写日记时都应该记住的问题。
When she is asked how she has been successful, Lindsay says, "First of all, keep the dream in your mind and never give up."
当被问及她是如何获得成功时，林赛说：“首先，心中要有梦想，永不放弃。”
At first, I was afraid I couldn't keep up my studies because the Internet was very slow in the countryside.
一开始，我担心自己的学习无法跟上，因为网络在农村地区速度很慢。
Before they started to pick up the marbles, half the people had to keep their hands in water for half an hour.
在他们开始捡弹珠之前，一半的人必须把他们的手浸在水中半小时。
Instead, we should keep thinking all the time and speak up if we think there are mistakes in our teachers' words or in books.
相反，如果我们认为老师的话或书中有错误，我们应该保持思考并大声地说出来。
Think about all the other service workers we have in this community. We have people who collect waste and rubbish and keep our community sanitary. We have road workers who put up and repair traffic signs and fix holes in the streets to protect not just us, but our cars!
想想这个社区的其他服务人员。我们有收集垃圾的人，他们负责保持社区卫生；我们有道路工人，他们竖起、修理交通标志牌，维修道路，不仅保护着我们自己，也保护着我们的汽车！
And please don't keep animals caged in small Spaces or tied up.
请不要把动物关在狭小空间内或绑起来。
They were all bunched up in the corner of the room to keep warm.
他们为了取暖全挤在房间的角落里。
The house is strong enough to keep up in a storm.
这座房子很坚固，足以抵挡风暴。
No one has enough time in the day to keep up with all of the information we should be absorbing.
没有人可以在一天之内有足够的时间来赶上所有我们必须吸收的信息。
Sports can keep up your body temperature in winter.
在冬天体育活动可使你保持体温。
Keep in mind, jealousy may pop up when you least expect it.
记住，嫉妒感会在你最意想不到的时候窜出来。
This update is vital in order to keep up with recent progress in medicine and the use of information technology in the field of health, and to improve the basis for international comparisons.
这次更新至关重要，以便跟上最近的医学进展和信息技术在卫生领域的使用，并改进用于国际比较的基础。
Also, your sensors often cannot keep up with fast changes in position.
而且你的传感器一般跟不上位置快速的移动。
In this series, Boston couldn't keep up.
在这个系列赛中，凯尔特人没能挺住。
The reason these same design themes (top-tabs, unified URL bar) keep showing up in all the browsers is that they just make sense from a usability standpoint.
在所有主流浏览器上不断出现同一设计风格(顶部分页栏、统一地址栏)的原因在于：从易用性出发。
It's important to take failure in stride and keep your spirits up.
面对失败要泰然自若，并保持高昂士气，这是很重要的。
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