Glioblastoma is one of the most aggressive brain tumors, killing nearly every patient within two years.
恶性胶质瘤是侵袭程度最高的脑瘤之一，病人存活时间基本不超过两年。
One out of every four Germans today is older than 60, and in 30 years the proportion will rise to two-fifths.
今日每四个德国人中有一个年龄超过60岁，30年后这一比例会上升到五分之二。
Cows usually give birth to one calf every two to four years. At birth, elephants already weigh some 200 pounds (91 kilograms) and stand about 3 feet (1 meter) tall.
雌象每产下一只幼崽的时间是2至4年，幼象诞生时重约200磅(91公斤)，高约3英尺(1米)。
Every four years, or every two years when one includes the winter Olympics, which began in 1924, the world focuses on a human event that represents the good of humanity.
从1924年开始，每隔四年(如果你把冬季奥运会算进来的话则为每隔两年)，全世界的注意力都集中到这一表现人性好的一面的人类活动上。
World Cup (soccer), two international soccer tournaments, one for men and one for women, each held every four years.
世界杯(足球)，两个国际足球锦标赛，男足球锦标赛和女足球锦标赛，每四年举行一次。
A friend who works for a large global company tells me that every day two to three hours are given over to them, but in 10 years she cannot remember a single useful one.
有一个在大型跨国公司工作的朋友告诉我，她每天在电话会议上要耗费两三个小时，但是她想不起10年来有哪一次是有用的。
He made his first film, As Tears Go By, in 1988 and since then he has made an average of one film every two years.
1988年他拍摄第一部电影《旺角卡门》，此后平均每两年拍摄一部电影。
The clock ticks at a rate of about one mutation every two years.
这种时钟周期以每两年发生一次突变的速度为基准。
Watch every one or two years the best sent agents to do maintenance, can prolong the service life, maintenance projects include: check, wash oil, oil and quasi.
手表每隔一、二年最好送原代理商做保养，才能延长其使用寿命，保养项目包括：检查、洗油、点油及测准。
Albatrosses breed once every one or two years. While rearing youngsters, parents undergo journeys of thousands of miles to find food.
信天翁每一或二年繁殖一次，为了喂养孩子，他们跋涉数千英里去觅食。
One area of difficulty is that in the computer field, a new generation of computers is introduced every two years to develop a new airplane.
最困难的一个领域就是电子计算机。每两年就要出现新一代的电子计算机。
According to ESD documentation, GSDO must maintain a launch rate of one launch every two years for Tactical-level missions.
根据ESD文档，GSDO必须保持一个每两年一次发射战术级任务的发射率。
Winners receive financial assistance to help develop and extend their projects. The award is given every two years. The next one will be given in 2008.
获奖者将获得资金帮助以帮助开发和拓展他们的工程，该奖每两年颁发一次，下论颁发是在2008年。
Every two years, our patient and dedicated research staff calls up our men and asks them if we can send them yet one more set of questions about their lives.
每两年，我们耐心而专注的研究人员会打电话给我们的研究对象，问他们是否愿意再做一套关于他们生活的问卷。
West African farmers may cut a new farm from the bush every one or two years, allowing the land previously cultivated to return to forest.
西非农民可每一年或二年向灌木丛林中开辟新的农场以使得原先开垦出来的土地上长出森林。
The CDC survey is based a sample about one-tenth the size of the CBS study's, and comes out every two years, while the CBS survey is held once in 10 years.
疾病控制中心的调查规模为中央统计局调查规模的1/10，每两年开展一次调查，而中央统计局的调查是10年举行一次。
But there was one exception to this rule. Every ten years, the monks were permitted to speak just two words.
但这条戒规也有一个例外，每隔十年，许可僧侣们说两个字。
Returning from Japan in 1988 until now (2008), he partakes in solo exhibitions and publishes new books every one to two years to present the fruits of his research.
1988年由日本返国后至今 2008 年，平均每两年举办一次个展，发表新的研究创作成果。
"You are all so busy that we meet only one single time every two or three years", he sighed, "I miss you and wish we could have more gatherings."
你们都忙，大家只能二三年才见一次，我很想你们，希望你们常来。
Patients were asked whether they visited a dentist at least once every six months, every one to two years, rarely, or never.
患者被问及他们是半年一次，两年一次，更少，或者从来没看过牙医。
Thus, the world's leading consumer electronics exhibition will be changed every two years one year term.
这样，这一全球最主要的消费类电子展将由每两年一届改为一年一届。
In the latest ten years, we have good vintages and high quality wine. But it would be one or two ordinary vintage every ten years before the global warming came to us.
就目前来说，全球变暖给我们带来的好处偏多，从近十年的酿造品质看，这十年，每个年份的葡萄收成都很好，酒的品质也很高。
In the latest ten years, we have good vintages and high quality wine. But it would be one or two ordinary vintage every ten years before the global warming came to us.
就目前来说，全球变暖给我们带来的好处偏多，从近十年的酿造品质看，这十年，每个年份的葡萄收成都很好，酒的品质也很高。
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