二手烟会导致至少二分之一的不吸烟者致癌。
Secondhand smoke causes at least half the cases of lung cancer in non-smokers.
您的选择是二分之一的机会，所以大家都别人的。
根据统计数字，几乎二分之一的集装箱不能准时抵达目的地。
It's a statistical fact that almost one out of two containers doesn't reach its destination on time.
占世界儿童总数近二分之一的约七亿儿童呼吸的空气受到烟草烟雾污染。
Around 700 million children, or almost half of the world's total, breathe air polluted by tobacco smoke.
如果这一趋势继续下去，据估计二分之一的应届毕业生不会有一份工作。
If the trend continues, it's estimated one out of two new graduates in this class will not have a job lined up.
根据人类进化学家，人类早期时候的婴儿生出来是有二分之一的可能性是倒着的。
According to evolutionary anthropologists, babies of the earliest humans had a fifty-fifty chance of coming out facing backwards.
根据人类进化学家，人类早期时候的婴儿生出来是有二分之一的可能性是面向后面的。
Well, Yeal. According to evolutionary anthropologists, babies of the earliest humans had a fifty-fifty chance of coming out facing backwards.
约有三分之一到二分之一的美国养蜂场陷入绝境；一些养蜂人甚至报告说，自己驯养的蜜蜂损失了近九成。
In the U.S. a third to half of all hives crashed; some beekeepers reported colony losses near 90 percent.
通过调节世界几大河流的水，树木能够保证水质并为包括纽约市在内的近二分之一的世界最大都市提供用水。
By regulating water for the world's great rivers, trees secure water quality and supply water for close to half of the world's largest metropolises - including New York City.
但是没有任何一个产业可以对二分之一的潜在市场视而不见，香水制造商更加热衷于彻底击破男人含蓄的外壳。
Yet no industry can afford to neglect half its potential market, and perfume-makers are ever keen to crack the shell of male reticence.
研究小组用铜代替了二分之一的铁，并用纳米晶体来制作所需要的化合物，在碳棒的底部穿上了化合物这件衣服。
They replace half the iron with copper, and make crystalline nanoparticles of the resulting compound, which they coat on a cloth-like carbon substrate.
今秋，有望生产出首批甲型H1N1疫苗。但是复杂的生产过程意味着，到今年年底，疫苗只够二分之一的人使用。
The first batches of vaccine are expected this autumn, but the complicated production process means there will only be enough for half the population by the end of this year.
弗瑞斯特研究公司的詹姆士•麦奎维在调查中发现，仅有二分之一的iPad用户阅读电子书，其中三分之二已经或计划专门为电子书购买阅读器。
James McQuivey of Forrester Research found in a survey that only half of iPad owners read e-books-and two-thirds of them own or plan to buy an e-reader especially for the purpose.
自1951年以来，在职的已婚女性的比例已经从刚超过五分之一增长到二分之一。
Since 1951 the proportion of married women who work has grown from just over a fifth to a half.
要是我选择一个60度的角，这些数就会是二分之一和二分之根号三。
If I pick an angle of 60 degrees, these are some numbers like half and root 3 over 2.
而这一比例在未参加产前培训的妈妈中为二分之一。
This compared with half of mothers who did not attend classes.
如你所见，美国人通过工作取得工资占个人收入的比例正在下降，从1950年代中期的超过个人收入的三分之二降到勉强超过今天个人收入的二分之一。
As you can see, the share of income that Americans earn by working has been falling, from more than two-thirds of their income in the mid-1950s to just over half of their income today.
另一个可能更严重的问题是，如今通用汽车比福特国际化得多，通用三分之二的销售额来自美国以外，而福特得这个数字只有二分之一。
Another, potentially even bigger problem is that GM is now more international than Ford: two-thirds of its sales come from outside America, whereas half of Ford's sales are domestic.
事实上，实验期间家庭办公的雇员退出的比率是那些乘车上下班人员的二分之一。
In fact the quit rate among home-office workers during the experiment was about one-half of what it was for those making the commute.
专家称啤酒是膳食中硅元素的主要来源——人体大概能够吸收啤酒中硅元素含量的二分之一。
The experts said beer was a major source of dietary silicon – roughly half of the silicon in beer can be readily absorbed by the body.
研究查明，有四分之一至二分之一遭受其伴侣侵犯人身的妇女说，作为必然结果，她们蒙受身体伤害。
The study finds that one quarter to one half of all women who had been physically assaulted by their partners said that they had suffered physical injuries as a direct result.
五乘以三等于三十的二分之一。
和其他单手使用的键盘不同，二分之一键盘完全建立在QWERTY输入系统上，所以你不用再学习一种新的打字方法。
Unlike other one-hand keyboards, this one is based fully on the QWERTY system so you don't have to learn a new method of typing.
和其他单手使用的键盘不同，二分之一键盘完全建立在QWERTY输入系统上，所以你不用再学习一种新的打字方法。
Unlike other one-hand keyboards, this one is based fully on the QWERTY system so you don't have to learn a new method of typing.
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