Since the beginning of this century, an increasing amount of time has been shifted in public schools from recess to academic activities.
自本世纪初以来，公立学校将越来越多的课间休息时间用于学术活动上。
Glenn Schellenberg's findings at the beginning of this century were not supported by a larger study carried out some ten years later.
格伦·舍伦贝格在本世纪初的发现并没有得到在大约十年后所进行的一项更大的研究的支持。
Around the beginning of the 20th century there were actually some primitive solar water heaters on the consumer market.
大约20世纪初，消费市场上出现了一些原始的太阳能热水器。
What brought about the boost in ebike sales in Europe at the beginning of the century?
本世纪初，是什么推动了欧洲电动车销售的增长？
Let's start back at the beginning of the 20th century—the beginning of the lunch box story, really.
让我们回到20世纪初期——午餐盒故事的开端。
The beginning of our sleep-deficit crisis can be traced to the invention of the light bulb a century ago.
我们睡眠不足危机的起源可以追溯到一个世纪前灯泡的发明。
Communication within the body and the consequent integration of behavior were considered the exclusive province of the nervous system up to the beginning of the present century.
直到本世纪初，身体内的交流和随之而来的行为的整合都被认为是神经系统的专有领域。
Beginning in the late sixteenth century, it became fashionable for young aristocrats to visit Paris, Venice, Florence, and above all, Rome, as the culmination of their classical education.
从16世纪晚期开始，去巴黎、威尼斯、佛罗伦萨，尤其是罗马在年轻贵族之间流行起来，这是他们古典教育的高潮。
Since the beginning of the twentieth century, more than sixty university members have won Nobel prizes.
自二十世纪初以来，已经有六十多所大学的成员获得过诺贝尔奖。
But it was not until the beginning of the twentieth century that architectural acoustics became a scientific field.
但直到二十世纪初，建筑声学才正式成为一个科学领域。
Since the beginning of the 19th century, America has had trouble with environmental problems, air pollution in particular.
自19世纪初以来，美国一直面临着环境问题的困扰，特别是空气污染。
Also beginning in the thirteenth century, there were new maps refined by precise calculations and the reports of sailors that made it possible to trace one's path with reasonable accuracy.
同样从13世纪开始，经过精密计算，绘制的地图更为精准，加上航海日志，使航行变得可靠而准确。
America has been racially diverse since our very beginning on the Virginia shore, where the first group of Englishmen and Africans arrived in the 17th century.
自从17世纪第一批英国人和非洲人在弗吉尼亚海岸登陆以来，美国就一直是一个种族多元化的国家。
At the beginning of the 21st century, China had no high-speed railways.
在21世纪初，中国还没有高速铁路。
Its history started at the beginning of the 19th century when it belonged to Pechorsky Monastery.
有关这个堡垒的历史可追溯到19世纪初，当时属于帕彻斯基修道院。
Britain felt similar angst at the beginning of the 20th century, noting the rise of Germany, a military rival.
英国在20世纪初的时候经历了相似的衰落，而军事上的竞争对手德国崛起。
The study focused on people born at the beginning of the 20th century, using death certificates and census data.
研究者们使用死亡证明和人口普查数据作为参考资料，主要对象是20世纪初出生的人。
It is a great speech about race, and race relations, particularly between black people and white people at the beginning of the 21st century.
这些关于种族和种族关系评论非常精辟，尤其对处在21世纪初的黑人和白人关系。
These postcards were produced by German chocolate company Hildebrands in the beginning of the 20th century and pictured what life would be like in the year 2000.
这些明信片是由德国的希尔德布尔德巧克力公司在二十世纪初制作的，画面是公元2000年会有的生活。
The Bidden Easter charity dates at very least to the beginning of the XVII century, as proven by the Archdeacon of Canterbury's letter.
比登登的复活节慈善会至少在十七世纪初就已经开始，这一点可以由坎特伯雷领班神父的信件可以证明。
In the beginning of this century, scientists and engineers began researching ways to use solar energy in earnest.
在本世纪初，科学家与工程师开始认真地研究利用太阳能的方式。
At the beginning of the twenty-first century, he could note that UNESCO had joined him in this conviction.
在二十一世纪之初，他注意到联合国教科文组织已经同他一道对此深信不疑。
The plot is set in the beginning of the 19th century when Napoleon invades Russia.
故事的背景设在19世纪拿破仑开始入侵俄罗斯时。
So you have debates about orthodoxy for centuries, but it's with Constantine in the beginning of the fourth century, and he had a long dynasty.
所以人们争议了几个世纪什么才是正统，直到四世纪初，君士坦丁大帝，他的皇朝延续了很长时间。
The beginning of the 21st century introduced a new venture for the company. They introduced their first fragrance.
公司在21世纪初开发了一项新业务，推出了他们的第一款香水。
In the beginning of the 20th century the place was slowly occupied by inhabitants of other Russian regions.
20世纪初，这个地方逐渐被俄罗斯其他地区的居民占有。
Quantum theory started at the beginning of the 20th century, in part with work on light.
量子理论始于20世纪初，是光学研究的一部分。
Why is damask steel that was so widely spread in the beginning of the last century is now a rare thing?
为什么大马士革钢在上世纪初还广泛使用而如今则少有人问津？
To the beginning of this century, the white represents the purity of the meaning is more than any other.
在本世纪初，白色代表着纯洁的寓意超过了其他寓意。
To the beginning of this century, the white represents the purity of the meaning is more than any other.
在本世纪初，白色代表着纯洁的寓意超过了其他寓意。
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