这几乎是世界人口的五分之一。
它的面积约180万平方公里，约占全国总面积的五分之一。
It covers an area of about 1.8 million square kilometers, about one fifth of the national total.
世界上近五分之一的电力是由利用落水动力旋转的水轮机产生的。
Nearly one fifth of all the electricity generated worldwide is produced by turbines spun by the power of falling water.
研究表明，当人们按实际使用量付款时，他们使用的能源大约减少了五分之一。
Studies show that people use approximately one fifth less energy when they are billed for exactly what they use.
印度在国防上支出预算的五分之一以上。
至少有3000种鱼类生活在那里，世界上五分之一的鸟类也生活在那里。
At least 3,000 kinds, of fish, live there, and one-fifth of all the bird species in the world.
世界上五分之一的淡水也存在于亚马逊雨林中。
One fifth of the world's fresh water is also found in the Amazon Rainforest.
五分之一的美国人将使用平板电脑或智能手机。
对于美国约五分之一的贫困儿童来说，玩耍的减少是很严重的危害。
The decline of play is a special hazard for the roughly 1 in 5 children in the United States who live in poverty.
官方数据显示目前近五分之一的20多岁的大学毕业生与父母同住。
Official figures show that almost one in five graduates in their late 20s now live with their parents.
苏珊娜·福克斯说，五分之一的互联网用户上网寻找有同样症状的人。
Susannah Fox says one in five Internet users have gone online to find other people who have the same condition.
超过一半的居民用电用于运行家用电器，并产生了全球五分之一的碳排放。
More than half of all residential power goes into running household appliances, producing a fifth of the world's carbon emissions.
董事会喜欢这个主意，但表示只能出2.5万美元，而这是成本开销的五分之一。
The board liked the idea but said it could offer just $ 25,000, one-fifth of the cost.
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.
学校的校长告诉我们，“我校五分之一的学生都能升学就读牛津大学和剑桥大学。”
The headmaster of the school, told us, "The fifth of pupils here go on to study at Oxford and Cambridge."
长江流经多种不同的生态系统，是诸多濒危物种的栖息地，灌溉了中国五分之一的土地。
As a habitat for many endangered species, the Yangtze River flows through diverse ecosystems and irrigates one-fifth of China's land.
巴基斯坦五分之一的产出来自于农业，但其高产量农田中已有许多被淹没或变成了沼泽。
Pakistan derives about a fifth of its output from agriculture, and much of its most productive cropland is submerged or turned to the bog.
只有大约五分之一的人认为，商界和政界高层的女性领导不多主要是因为女性的家庭责任。
Only about one-in-five say women's family responsibilities are a major reason why there aren't more females in top leadership positions in business and politics.
袁为中国创造出了一个伟大奇迹——用世界不到9%的土地养活了近五分之一的世界人口。
Yuan helped China work a great wonder—feeding nearly one-fifth of the world's population with less than 9% of the world's total farmland,
六个月后，选择突然戒烟的人中有超过五分之一的人坚持了下来，而另一组只有七分之一。
Six months out, more people who had quit abruptly had stuck with it—more than one-fifth of them, compared to about one-seventh in the other group.
在2018年的一项调查中，超过五分之一的美国和英国成年人表示，他们经常或总是感到孤独。
More than one-fifth of adults in both the United States and Britain said in a 2018 survey that they often or always feel lonely.
全球超过四分之一的石油和近五分之一的天然气来自近海，尽管近海钻探的成本是陆地钻探的六到七倍。
More than one-quarter of the world's oil and almost one-fifth of the world's natural gas come from offshore, even though offshore drilling is six to seven times more expensive than drilling on land.
从这个调查中，我们可以估计不到五分之一的孩子和医院的老师有过接触——这种接触可能每天只有两个小时。
From this survey, one can estimate that fewer than one in five children have some contact with a hospital teacher—and that contact may be as little as two hours a day.
总的来说，研究发现一半的电影和电视节目中没有设置有台词的亚洲角色，超过五分之一没有设置有对话的黑人角色。
Overall, the study found half the films and TV shows had no Asian speaking characters and more than one-fifth of them had no black characters with dialogue.
将近一半的高收入、大学毕业的父母在孩子5岁前就让他们上艺术课；而在低收入、教育程度较低的父母中，这一比例仅为五分之一。
Nearly half of high-earning, college-graduate parents enrolled their children in arts classes before they were 5, compared with one-fifth of low-income, less-educated parents.
仅为重力加速度的,五分之一。
而瑞典，预测说人口会增加五分之一。
For Sweden, the forecasts say the population will grow by about a fifth.
大约五分之一的英国妇女被判断为肥胖。
大约五分之一的英国妇女被判断为肥胖。
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