This drug has one important limitation. Its effects only last six hours.
这种药物有一个很大的限制因素，其药效只能持续6个小时。
Whatever may have been the moment and the circumstances of its appearance in the scale of animal life, language could only have been born in one fell swoop.
不论是在动物的历史中何种时候何种环境，语言只可能是一刹那间诞生。
Stonehenge, a rock circle, is not only one of Britain's most famous historical places but also one of its greatest mysteries.
巨石阵是一个巨石圈，它不仅是英国最著名的历史遗迹，也是英国最大的谜团之一。
One factory has had to scale down its workforce from six hundred to only six.
一家工厂已不得不把工人总数从600裁减到仅剩6人。
St Lucia is clearly an island on the move; one can only hope that it will retain its unspoilt charm.
显然，圣卢西亚是一个发展中的岛屿；人们只能希望，它将保持它那未受破坏的魅力。
The largest terrestrial planet, Earth has a diameter only one quarter as great as the diameter of the smallest Jovian planet, Neptune, and its mass is only one seventeenth as great.
最大的类地行星地球的直径仅仅是最小的类木行星海王星的四分之一，而且地球的质量仅仅是其质量的十七分之一。
And it is far from the only one of its type.
而且它也远不是同类产品中唯一的一款。
The Wood's Cycad found in 1895 is the only one of its kind.
1895年发现的苏铁树是同类树种中的唯一一株。
If you leave, for example, a bar of ice supported only at one end, the end, the unsupported end will deform under its own weight, it'll kind of flatten out at one end, get distorted, deformed.
举个例子，如果你把一根只有一端支撑的冰放在一边，没有支撑的一端会在自身的重量下变形，它的一端会变平，变形。
There are two busy threads on the sending side, and only one of them gets its affinity set.
在发送端有两个繁忙的线程，并且其中仅有一个拥有其亲和力集合。
While some of the equipment is routinely used in hospitals around the country, other pieces were custom-built for the sickbay, making it the only one of its type in the world.
有部分仪器是在全国的医院里常规性地使用，而另外一些就是为了这个医务室专门定制的，所以在这类医务室里它成为了全球仅有的一间。
I was once asked: if an organization could teach only one thing to its employees, what single thing would have the most impact?
有人曾经问我：如果一个企业可以教会它的员工一件事情，什么事情可以有最大的影响力？
The desktop workbench presents each application individually in its own perspective, only one of which is visible at any given time.
桌面工作台为每个应用程序提供一个单独的透视图，在任何时候只显示其中一个透视图。
Mr Campbell joined the Met in 1995, but he has never headed a department and was only one of its ten curators in European sculpture and decorative arts.
坎贝尔先生1995年进入博物馆，但是从未担任过任何一个部门的领导，仅仅是欧洲雕刻与装饰艺术部的十名主任之一。
South Korea was a relative latecomer to nuclear power—starting up its program only one year before the Three Mile Island accident.
韩国算是核能利用的新手国度，它在三里岛事故发生一年后才开始了核能利用计划。
'If you only know it by one of its many names you only get part of the story,' said Eimear Nic Lughadha, senior scientist at Kew responsible for the list.
“如果仅只是知道许多名称中的之一称谓，那也只能获得一部分的信息。”丘园专家埃米尔·卢格达说。
The author of an artifact is not the only one involved in its creation.
工件的作者不仅涉及创建此工件的那个人。
But for a business that counts making money as only one of its goals, it's frightening to invite investors focused only on maximizing returns to the table.
但对于赚钱不是唯一目的的企业而言，就会让那些只关注利益最大化的投资者非常担心。
The element choice allows only one of its children to appear in an instance.
元素choice只允许它的一个子女出现在实例中。
Argentina led the shootout 3-1 and needed only to convert one of its next two chances.
阿根廷队在点球大战中一度3 - 1领先，而他们只需要在剩下的两次罚球中把握住其中一次就可以获得胜利。
And its speed is only one kilometer per sec It's much further out. If it's much further out, R the speed will be much lower.
速度只有一千米每秒,在很外面，如果它是在很外面，就大很多，R，is，much，larger，，and，so，you，see,速度会更慢。
Alarmingly, my advert was not the only one of its kind: the London edition of Gumtree had four similar ones.
令人震惊的是，我这样的广告不是唯一的：在伦敦版的Gumtree有四个类似的。
The company immediately accepted responsibility for the explosion, which was the only one of its kind, she says.
她说，公司立即承担了爆炸的责任，这是公司应该承担的一种责任。
But, of course, the influence of paris-and its art critics-was only one factor.
当然，巴黎，及其巴黎的艺评家们的影响只是其中的一个因素。
For this exercise, however, there's only one sheet, so using its number is simpler.
但是对于本练习来说，工作簿中只有一个工作表，以便使用它的编号更简单。
In addition, the museum had reduced its security personnel, meaning that often there was only one guard on duty.
另外，博物馆已经裁减了其安保人员，这意味着通常只有一名警卫在值班。
"We want society to change its chip that says there is only one kind of family," said Ms. Alfarache.
“我们希望社会可以改变偏见，不再认为家庭只有一种形式，”阿法拉奇女士说。
There once was a marvellous overland escalator in Moscow. At present one may only roam about its ruins.
在莫斯科，曾经有一个令人赞叹的艺术之梯，而今，人们只能对着它的废墟唏嘘不已。
With only two cluster members fail over is not possible, because each me has its own datastore assigned and only one me per cluster member can be active for one sib.
仅使用两个集群成员，故障转移将无法实现，因为每个ME分配了自己的数据存储区，并且对于一个SIB，每个集群成员仅有一个ME能够是活动的。
Only one firm has stopped publishing its inflation estimate.
只有一家公司停止公布它的通货膨胀率估测值。
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