Roughly half the dry weight of a tree is made up of stored carbon, most of which is released when the tree rots or is burned.
干木材重量的大约一半是由碳组成的，如果树腐化了，或被燃烧了，大部分碳都会以二氧化碳的形式释放出来。
Roughly half of those polled by KFF thought Obamacare had already been repealed or were unsure of its legal footing.
大约有一半接受KFF调查的人认为奥巴马医改方案已经被废除或认为其法律立足点是不确定的。
For example, Bank of China has roughly the same size of loan book as JPMorgan Chase or Citigroup, but only around half the level of bad-debt reserves.
例如，中国银行的贷款总额大致相当于摩根大通或花旗集团，但坏账储备金只有大约一半。
Bond insurers, who used to cover roughly half of the market, have retrenched or gone bust after making bad mortgage bets.
过去保险几乎一半市场的债券保险公司在经历错误的抵押贷款赌注后已经削减或破产。
Roughly half of all immigrants are either Britons returning from abroad or citizens of other European Union states, whose entry is guaranteed by rules on freedom of movement in the EU.
仅仅对后者(移入人数)做严格地控制。大约一半的移民不是从国外回国的英国人，就是其他欧盟国家的国民。
Where a perfect circle has an eccentricity value of zero, roughly half of exoplanets seen thus far have an eccentricity of 0.25 or greater.
一般一个完美圆周的偏心值为0，而约有一半的系外行星的偏心值在0.25或者更高。
Roughly half of the study subjects didn't work overtime. But 21 percent worked one extra hour, 15 percent worked two extra hours, and 10 percent worked three hours or more extra per day.
大约一半的研究对象是不加班的，但是有21%的人一天超时工作一小时，15%超时工作两小时，10%超时工作三小时或跟长时间。
Roughly half of all women over 50 have a few varicose or spider veins (enlarged blood vessels visible on the skin), usually on the legs.
大概超过半数的50多岁的女人都患有静脉曲张或者蜘蛛性血管病(通过皮肤就可看到的血管扩大)，而这些通常都发生在腿上。
One unit is 8g of alcohol, roughly equivalent to half a standard glass of wine, half a pint of beer or a pub measure of spirits.
每单位的酒有8G酒精，大概相当于半杯标准的葡萄酒，半品啤酒或是一个酒吧的酒精量。
U.S. stock markets would likely tank –devastating roughly half of U.S. households that own stocks, either individually or through 401(k) type retirement programs.
美国股票市场将有可能陷入空头——大约一半持有股票的美国家庭将受毁灭性打击，可能是个体地，也可能是通过401(k)这样的退休金工程。
According to some analysts, only a quarter of the total armed forces of roughly 400,000 is well equipped and ready to fight-and of these, only half, or 50,000 men, is really reliable.
根据一些观察员报道，总共400,000的武装力量中只有大约四分之一是装备精良有战斗力的，而这其中，仅有一半(50,000人)真正可靠。
Together, Fannie Mae and Freddie Mac own or guarantee roughly half of the nation’s $11 trillion home mortgage market.
房利美和房地美加起来，拥有或者担保了全美价值十一万亿美元的房屋信贷市场中一半的份额。
Target weight gain is 2kg — or, roughly, four-and-a-half pounds a week.
目标体重增长是每周两公斤，或者至少四又二分之一磅。
The planning commission has told India's supreme court that a person who spends roughly half a dollar a day on food, education and health in rural areas, or $15 a month, will not be considered poor.
计划委员会对印度最高法院说，一名在乡村地区的人每天花费大约零点5美元用在食物，教育和医疗上，也就是相当于每个月15美元，就不被认为是穷人。
Roughly half of Mr Obama's war-chest came from donations of $200 or less: a much higher proportion than in his previous campaign, and than Messrs Perry and Romney can boast.
他的竞选资金中大约有一半是来自200美元或其以下的捐款，这一比例与他初次竞选相较高出了许多，佩里先生和罗姆尼先生也望尘莫及。
Roughly half of Mr Obama's war-chest came from donations of $200 or less: a much higher proportion than in his previous campaign, and than Messrs Perry and Romney can boast.
他的竞选资金中大约有一半是来自200美元或其以下的捐款，这一比例与他初次竞选相较高出了许多，佩里先生和罗姆尼先生也望尘莫及。
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