在过去的四十年里，中国取得了巨大的进步。
在过去的四十年，中国种植了数十亿的树木来作为主要遏制北方沙漠延伸的举措之一。
Over the past forty years, China planted billions of trees as part of its fight against expanding deserts, mostly in its north.
研究者还发现在过去的四十年中食肉鱼类的数量减少了一半以上（54%）。
The researchers also found that more than half (54 percent) of the decline in the predatory fish population has taken place over the last 40 years.
无庸置疑，中国的航空航天工业在过去的四十年中已取得了辉煌的成就。
It is beyond doubt that China has made brilliant achievements in aviation and space industry in the last forty years.
在过去的四十年中，哈他瑜伽已经作为一门医疗科学被全世界认可，对其展开了许多科学研究。
In the last forty years hatha yoga has been accepted as a therapeutic science all over the world and many scientific studies have been conducted in this field.
一项新研究表明，华盛顿州雷尼尔山顶上的冰和常年积雪在过去的四十年里融化了大约14%。
About 14% of the ice and permanent snow atop Washington's Mount Rainier melted in the last 4 decades, a new study suggests.
包括南极洲在内，他在过去的四十年里航行到过了所有的大陆。他说“我有工具装备，有经验。”
He has sailed to every continent in the past four decades, including Antarctica. "I have the tools, I have the experience," he said.
在过去的四十年内，科学文献充斥着女孩具有优越语言能力的研究，但至今仍没有生物理论的支持。
Scientific literature has been littered with studies over the past 40 years documenting the superior language skills of girls, but the biological reason why has remained a mystery until now.
在过去的四十年，美国人盐的消费量增加了50%，主要是因为人们更多得食用加工食品，更多得在餐馆就餐。
In the past four decades, Americans' salt consumption has risen 50%, mostly as a result of eating more processed foods and more food prepared in restaurants.
麦肯锡指出，在过去的四十年中，美国医疗保健支出年均增长接近4.9%，而人均gdp的增长率只有2.1%。
McKinsey points out that American spending on this has grown at an annual lick of 4.9% over the past 40 years, whereas GDP per person has grown by just 2.1%.
这表明在过去的四十年中女孩完全发育成熟的年龄并没有变化很多，但是因为青春期提前， 青春期持续时间比上代更长。
This suggests that the age at which girls fully mature hasn't changed much in the past 40 years, but because puberty starts earlier, the duration of puberty is longer than for past generations.
他还说：“这个案件不是道德诉讼，但案件的实质不同寻常。”在过去的四十年里，这仅仅只是第二例向法院提出的同类诉讼案件。
He added: "this was not a morality trial, but the nature of this case is unusual in that it is only the second of it type to be brought before the courts in the last 40 years."
其中一项研究发现，在过去四十年中，男性所做的家务量增加了一倍；另一项研究表明，男性照看孩子的时间在这一时期内增加了两倍。
One found that men's contribution to housework had doubled over the past four decades; another found they tripled the time spent on child care over that span.
由全球40个组织组成的这一联盟在一项声明中说，东北虎的数量在过去四十年中下降剧烈。
The alliance of 40 organizations worldwide issued the statement upon news that Siberian tigers may have suffered a serious drop in Numbers over the past four years.
在过去的至少四十年里，人们一直在做一种叫做调试器的工具。
For at least four decades, people have been building tools called debuggers.
在过去四十年里的大多数时候，他发现利润率平均下来仅为0.1% - 0.2%。
For most of the past 40 years, he notes, margins were merely 0.1-0.2% on average.
门罗的衣服在一大堆电影服装和其他纪念品收集雷诺在过去四十年。
The Monroe dress was among a large collection of movie costumes and other memorabilia collected by Reynolds over the past forty years.
而全球气候变迁及极端气候事件所造成的经济损失，在过去四十年平均上升了十倍。
The economic losses caused by global climatic changes and extreme weather catastrophes are ten times greater than the circumstances four decades ago.
在过去近四十年的商业生涯中，我常常讲，做好工作只是一个起点——打好基础。
Over nearly 40 years in business, I've often said that doing an excellent job is only the starting point-the foundation.
在过去近四十年的商业生涯中，我常常讲，做好工作只是一个起点——打好基础。
Over nearly 40 years in business, I've often said that doing an excellent job is only the starting point-the foundation.
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