The origins of glass date back to 3,500 BC but it wasn't until the Roman Empire, 2,000 years ago, that the art of glass-blowing and the practical uses of glass became more widespread.
玻璃的起源可以追溯到公元前3500年，但直到2000年前的罗马帝国，吹制玻璃的艺术和玻璃的实际使用才变得更加广泛。
THE credit crisis was kind to the reputation of John Maynard Keynes, whose scribbling s from over 70 years ago inspired practical men of action to fight the recession with uninhibited stimulus.
信贷危机对约翰.梅纳德.凯恩斯的声望无甚损害，他70多年前的著作曾鼓舞着实际的操作者们以漫无边际刺激方案来应对经济衰退。
THE credit crisis was kind to the reputation of John Maynard Keynes, whose scribblings from over 70 years ago inspired practical men of action to fight the recession with uninhibited stimulus.
信贷危机对约翰•梅纳德•凯恩斯的声誉没有太大的影响，70年前他那些胡写乱画的东西用无拘无束的方式激励着实干家们与经济衰退作战。
It was not until a decade ago that Nasa started taking an interest in the substance and putting it to a more practical use.
直到十年前，美国太空总署开始对这种物质产生兴趣并将其投入实用。
Because Martial art flexible, practical strong, so many ancestors thousands of years ago by the enjoy and trust.
因为扑术套路灵活、实用性强，所以在数千年前就得到很多先人的喜赖。
Although China has the concept of "citizens" long ago, our country has not really implemented civic education because of historical and practical reasons.
在我国虽然早已有了“公民”这个概念，但是由于历史和现实的原因，我国并没有真正实施公民教育。
Originally derived from the hose worn by European men several centuries ago, tights were made as close fitting as possible for practical reasons when riding horseback.
最初来源于软管欧洲男子穿的几百年前，紧身衣提出了密切拟合尽可能实际的原因时，骑骑马。
He had heard about the technology some 4 to 5 years ago but never had the opportunity to see the practical operation process.
这项技术原来曾在4- 5年前听说过，但一直没有见到实际的操作工序。
Many years ago, massage was largely practiced by priests or doctors as many believed the laying on of hands was a practical application for the relief of pain.
多年前，按摩，主要是实行由祭司或医生作为许多人认为，铺设上的手是一个实际应用，为减轻疼痛。
Though the curriculum outlook of structuralism was put forward 40 years ago, it still enjoys great practical significance.
结构主义课程观出现已40年，但对其之剖析仍具有很强的现实意义。
With this in mind, we must not forget the matter of large-scale practical applications for methane gas launched a few decades ago in the Chinese countryside.
在这我们别忘记了，几十年前我们在中国农村开展的大规模的沼气应用这件事。
The Tangshan history is glorious, as early as has the human practical training 4 ten thousand years ago to live.
唐山历史悠久，早在4 万年前就有人类劳作生息。
The Tangshan history is glorious, as early as has the human practical training 4 ten thousand years ago to live.
唐山历史悠久，早在4 万年前就有人类劳作生息。
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