在美国，七年一次的旱涝周期循环，使一种由老鼠传播的肺汉滩川病毒在西南部猖獗起来。
In the United States, cycles of rain and drought seven years ago permitted a deadly form of pulmonary hantavirus, carried by mice, to flourish in the Southwest.
在第一次肾移植手术前，我已做了七年的透析。
I was on dialysis for seven years before my first transplant.
整整七年，全世界都曾经对她，对她这孤苦无依的女人，皱起眉头，但她还是挺过来了，从来没有一次掉转开她那坚定而伤心的目光。
All the world had frowned on her - for seven long years had it frowned upon this lonely woman - and still she bore it all, nor ever once turned away her firm, sad eyes.
在同一个季度，公司公布了七年以来头一次的净损失。
During that same quarter, the company reported a net loss for the first time in seven years.
在去年秋天，与巴勒斯坦部分首脑的和平会谈再次举行，这是七年内的第一次，但截至该文发表日，这次会谈似乎越来越不稳固。
In the autumn of last year peace talks with part of the Palestinian leadership began again for the first time in seven years, though as this report went to press they were looking increasingly shaky.
当我了解他的过去之后，我的心一次次的被打垮，他说我们的第一次约会，正是他被判无期徒刑后的假释，他在七年前他的十八岁生日后，犯了一项谋杀罪。
My heart fell further as my thoughts jumped to what I had known about Jason's past since his disclosure on our first date: that he was on parole with a life sentence.
导致的水位的急剧下降的干旱已经和厄尔尼诺现象联系起来，这种气候现象每两到七年会出现一次并改变世界范围内的天气形势。
The drought that caused the rapid decline has been linked to El Niño, a climate phenomenon that occurs every two to seven years and changes worldwide weather patterns.
十月末，日本央行施行了七年以来的第一次降息，利率由0.5%降至0.3%，估计不久还会再次降息。
At the end of October the central bank cut rates for the first time in seven years, from 0.5% to 0.3%, and another cut looks likely before long.
又一次峰会无果而终，七年的贸易谈判可能变成九年或者十年。
After another failed summit, seven years of trade talks may become nine or ten.
“七年之痒”的说法并不是没有根据的；美国人口调查局的统计表明，以离婚结束的第一次婚姻平均在7.9年后结束。
The seven-year itch isn't a myth; the U.S. Census Bureau says the median duration of first marriages that end in divorce is 7.9 years.
心脏骤停组织的成立者之一bobSchriever七年前在为一次高中足球比赛担任裁判时心脏停跳，死而复生。
Bob Schriever, co-founder of the Sudden cardiac arrest Association, was refereeing a high school football game seven years ago when he went into cardiac arrest, died and was revived.
“七年之痒”的说法并不是没有根据的；美国人口调查局的统计表明，以离婚结束的第一次婚姻平均在7.9年后结束。
The seven-year itch isn'ta myth; the U.S. Census Bureau says the median duration of firstmarriages that end in divorce is 7.9 years.
虽然今年报名参加高考的考生数出现了近七年来第一次下降，参加今年高考的考生总数还是比2002年多500万。
Despite a slight drop in registration this year — the first decline in seven years — five million more students signed up for the test than did so in 2002.
厄尔尼诺现象是自然气象周期的一部分，大约每三至七年发生一次，对世界气候产生一年或更长时间的影响。
It is part of a natural meteorological cycle that happens roughly every 3-7 years and affects weather worldwide for a year or more.
七年级最聪明的男孩终于第一次通过了测验。
自从第一次在荧屏上露面以来，狗侦探史酷比一直都是7岁的样子，但按狗的年龄来计算的话（人的一年约相当于狗的七年），到现在他已经245岁了。
Canine crimefighter Scooby-Doo may have remained seven years old on screen since he first appeared - but in dog years he would be 245 by now.
这本书的第一次出版是在七年以前。
最后一次参与跑步的活动应该是差不多六、七年前的事情了吧。
Anyway, this is my first time after so many years, participate in such a race.
在以后的七年中，“砍刀”的画作通过影印本和反对派报纸发表出来，他的生活遇到了另一次转变。
After seven years of publishing his drawings through photocopies and opposition newspapers, Alsature's life took another twist.
颁布后的标准，原则上每五至七年会修订一次。
After the enactment of the standard, in principle every five to seven years will be revised again.
七年前，当他的目光第一次落在自己的孙子身上时，他热泪盈眶。
And the first time he laid eyes on his grandson seven years ago, those eyes were brimming over with tears.
过了七年，他向她求婚，虽然父母反对依旧强烈，但这一次，46岁的她答应了。
After seven years, and again in the face of bitter parental disapproval, Potter felt emboldened enough to accept his proposal of marriage. She was 46.
记忆的六，七年前第一次在菜园里吃芦笋和胡萝卜的经验，带领他开始在屋顶上种菜，他在地标式的赤褐色砂石房子位于布鲁克林区的公园斜坡。
Memories of the first asparagus and carrots he ate from a garden years before led him to start growing produce on the roof of his landmarked brownstone in Park Slope, Brooklyn, six or seven years ago.
在七年后的巴斯灾难之前是在美国土地上发生的最致命的一次炸弹袭击，33人遇害，400人在爆炸中受伤。
It was the deadliest bomb attack on American soil for seven years, until the Bath School disaster. 33 were killed and 400 persons were injured by the blast.
已经七年以来我第一次接触英语，从那以后，这些可爱的小字母给我的生活带来了快乐和奇迹。
It has been seven years since I first got in touch with English and ever since then, these cute little letters have brought joy and wonder to my life.
七年来第一次在我每年到中国的旅途中没有晕机。
For the first time in 7 years I did not get sick on my annual trip to China.
七年来第一次在我每年到中国的旅途中没有晕机。
For the first time in 7 years I did not get sick on my annual trip to China.
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