这个能级只是相当于宇宙产生一秒钟后能量的一亿分之一。
That energy level corresponds to energies present when the universe was only one ten-billionth of a second old.
据报道，该国去年在AIDS上花掉了二十一亿美元，其中大约三分之一的资金来自国际社会的捐赠者，美国捐赠了六千二百万美元。
Last year, the nation spent $2.1 billion on AIDS, according to the report, though about a third of that came from international donors, including $620 million from the United States.
当他八年后去世之时，他所拥有的这一亿美元相当于当时美元总流通量的十分之一。
When he died eight years later, his $100m estate was worth more than a tenth of every dollar in circulation at the time.
赢得Mega Millions头奖的几率约为一亿七千六百万分之一，而个人被雷击中的几率为七十五万比一，我们可以两相比较一下。
The chance of winning the Mega Millions jackpot is about one in 176m. For comparison, an individual’s chance of being struck by lightning is around one in 750,000.
Keckley博士说，大约四千六万美国人没有健康保险，即使那些有保险的一亿七千九百万人中，估计有七分之一的人会因一次健康危机而破产。
About 46 million Americans lack health insurance, Dr. Keckley says, and even among the 179 million who have it, an estimated 1 in 7 would be bankrupted by a single health crisis.
目前全世界有将近一亿人体重超重，其中三分之一属“病态肥胖”。
Currently about 1 billion people worldwide are overweight, of which one third are "morbidly obese."
在1918年，四分之一的美国人染上西班牙流感，有五千万至一亿人丧生，大堆尸骨在火中焚化。
In 1918, a quarter of Americans infected with Spanish flu, 50 to 100 million people died with their piles of bones being cremated.
美国在十年前曾一年斥资十一亿美元用于「哥伦比亚计画」，但过去三年每年支付中美洲的数字仅略多于该金额的十分之一。
The United States, which spent up to $1.1 billion a year on "Plan Colombia" a decade ago, has disbursed to Central America little more than a tenth of that sum over each of the past three years.
人类的五分之一，也就是十一亿人，无法获得安全的饮用水。
One fifth of the human beings, i. e. 1.1 billion people, are unable to get safe drinking water.
人类的五分之一，也就是十一亿人，无法获得安全的饮用水。
One fifth of the human beings, i. e. 1.1 billion people, are unable to get safe drinking water.
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