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.
冰只有二分之一，卡路里每克每度。
Ice is only ice is only one-half calorie per gram per degree centigrade.
五乘以三等于三十的二分之一。
洒上可可粉和二分之一巧克力刨片。
当今纸废料约占全部废料的二分之一。
Today, paper accounts for about half of the wastes collected.
尽管大西洋的面积只有太平洋的二分之一。
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.
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.
您的选择是二分之一的机会，所以大家都别人的。
“您看，”他说，“总共是十九又二分之一，那就等于二十。”
"You see," he said, "total, nineteen and a half; as well say twenty leagues."
它说的是二分之一kt每自由度，等于高温极限时的能量。
And what it says is one half kT per degree of freedom equals energy in the high t limit.
以后，每二星期左右增加四分之一或二分之一英里的距离。
After that, increase your distance a quarter or half mile every two weeks or so.
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.
全世界三分之一癌症与皮肤有关；在美国，这一数字为二分之一。
One in three cancers worldwide is skin-related; in the United States, that figure is one in two.
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.
在2100年前，日本、欧洲和俄罗斯的人口，可能会减少二分之一至三分之二。
Japan, Europe and Russia could lose between one-half and two-thirds of their population by 2100.
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.
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.
最新调查发现，巴格达的这一比例高达二分之一(两个人中有一人有家人遇难)。
Their latest survey suggests that in Baghdad that number is as high as one in two.
000立方光年的气体被加热到1000万华氏度——约太阳核心温度的二分之一。
000 cubic light years of gas have been heated to a temperature of over 10 million degrees Farenheit here — about half the temperature of the Sun's core.
如果任何一个人租借公牛，并且挖出了它的眼睛，他将付这个所有者牛价的二分之一。
If anyone hire an ox, and put out its eyes, he shall pay the owner one-half of its value.
日本企业的净资产收益率达到5%左右，是欧洲企业的二分之一以及美国企业的三分之一。
Japanese firms have a return on equity of around 5%, which is half that of European companies and a third that of American ones.
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.
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.
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