A bridge was built over the river as early as 875, so the town got its name "Cambridge".
早在875年，一座桥就被建在了这条河上，所以这个小镇得名“剑桥”。
During the hot summer months, the backpack can be turned over so that the space blanket is on its top.
在炎热的夏季，背包可以翻转，这样太空毯就在它的顶部。
We would say that this whole area over which it migrates is its habitat because on this long-distance journey, it needs to come down to feed and sleep every so often, right?
我们会认为它迁徙的整个区域就是它的栖息地，因为在长途旅行中，它需要经常下来进食和睡觉，对吧？
So for example I defined p, remember back over here, as a Cartesian point, but I can actually ask for its polar form.
我可以要求返回它的极坐标形式，这里对我是可访问的，好，这很棒，请再记另外一个为什么。
But that depreciation was essentially over by spring 2009, so its effect has been fading.
但是，到2009年英镑贬值已经基本结束，因此，英镑贬值带来的效应也已经逐渐消失。
So what leverage does Turkey actually have over its erstwhile Ottoman dominion?
因此，土耳其真正对它昔日奥斯曼帝国的领地拥有什么样的影响呢？
The noise is something we all need to have power and control over because without doing so makes us all slaves to its message.
杂音就是那些我们都需要拥有权力和控制力的想法，因为不这么做的话我们都将臣服于它。
Just as a reader skims quickly over the individual words on page, so we scarcely see a tree exactly and completely with regard to its leaves, branches, color, shape.
作为一个读者，快速的浏览页面上的每一个字，所以我们很少看到一个树，准确并完整地，观察它的树叶，质感，颜色，形状。
Over the past decade, researchers have increasingly focused on so-called antenatal depression (depression during pregnancy) and its effect not only on mothers but also on the development of the baby.
过去十年间，研究人员已经越来越多地关注到所谓的孕期抑郁(在怀孕期间的抑郁)，它不只影响到母亲，还有婴儿的发育。
Over the past decade, researchers have increasingly focused on so-called antenatal depression (depression during pregnancy) and its effect not only on mothers, but also on the development of the baby.
过去十年间，研究人员已经越来越多地关注到所谓的孕期抑郁（在怀孕期间的抑郁），它不只影响到母亲，还有婴儿的发育。
I know that in the past the US has sometimes failed to meet its responsibilities so let me make it clear those days are over.
我知道在过去美国有时没有尽到自己的责任，所以我更应该清楚地告诉大家，那些日子已经过去了。
Just as it would be a mistake to underestimate the new Brazil, so it would be to gloss over its weaknesses.
正如低估新巴西会是一个错误一样，掩饰它的弱点也会是一个错误。
Just as it would be a mistake to underestimate the new Brazil, so it would be to gloss over its weaknesses. Some of these are depressingly familiar.
正如低估一个新的巴西是一个错误，掩饰它的弱点也是错误的，其中有些让人忧心忡忡。
But though the country has some of the worst sanitation in sub-Saharan Africa, its landfills are so picked over that there's not enough "good" waste to turn into electric power.
但是尽管加纳的卫生系统在撒哈拉以南地区是最差的，但是它的垃圾掩埋场已经被“精挑细选”过了，已经没有足够“好”的废弃物可用来发电。
So over the past three years, the company and its overseas suppliers have begun stockpiling more postage-machine components.
因此，在过去三年中，这家公司和他们在海外的供应商都开始储备更多的邮政机械零部件。
But unlike an aircraft, when a helicopter is flying forwards the air passing over its rotor blades does so at different speeds.
但是与飞机不同的地方在于，当直升机向前飞行时，空气是以不同的速度流过旋转的叶片的。
The two concepts are different: income is the flow of money a nation or household receives in a year; wealth is the stock of assets it has accumulated over its life so far, minus its debts.
这两个概念是有区别的：收入指的是一个国家或者一个家庭一年内所获得的资本流量；而财富指的是在除去负债以后，到目前为止，个体在一生之中所积累的财产存量。
When dealing with a nation struggling to pay its loans, it would make more sense to restructure its debts - so they are paid back over a long period, say.
面对一个正在奋力偿还借款的国家，更合理的做法是对其进行债务重组，从而使这些债务在较长的时间段里获得清偿。
It was written so well that it has gone without changes for over two decades, and it still sells a few thousand copies annually, according to its publisher.
这本书编写得非常好，以至于经过了二十多年都没有进行更改，根据出版社的统计，该书每年仍然可以销售数千本。
Invocation of such a command line launches the user's E-mail client, populates its elements (cc: list, attachments, and so on), and turns over control to the end user.
调用这样的命令行会启动用户的电子邮件客户机，填充它的元素(例如列表、附件等)，并把控制权转移给最终用户。
Next, however, the e-passport has to be placed over an inductive reader that provides the radio-frequency energy to power up the passive RFID so it can spit out its data.
然而接下来，得把电子护照放在一个感应阅读器上，后者才能供给无源rfid射频能量电源，稍后，护照里的数据才能读出。
The us growth story has persisted for so long because it is a free and creative society and over the long term it can keep increasing its productivity.
美国经济增长奇迹能够持续如此之久的原因在于，美国是一个自由和富于创造力的社会。从长期角度看，美国能够不断提高生产率。
The company announced on its blog Tuesday that changes are being made so that users can have more control over who specifically has access to certain material.
脸谱网公司周二在其微博上宣布说，利用这些变化用户可以防范那些专门想获得某些材料的人。
Its precise working varies from country to country, and it has changed over time-so that year-on-year comparisons can be misleading.
在不同国家，这种方法的准确运作会有差异，而且它也会随时间变化而变化，因此同比结果可能具有误导性。
Exxon Mobil has seen healthy stock increases over the last 5 years so it is likely that its market cap will increase.
在过去的5年中，埃克森美孚股价一直健康运行，因而极可能其市值还将进一步增长。
Exxon Mobil has seen healthy stock increases over the last 5 years so it is likely that its market cap will increase.
在过去的5年中，埃克森美孚股价一直健康运行，因而极可能其市值还将进一步增长。
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