古代社会知识的传播.
A diffusion of ancient social knowledge
古代知识传播的状况:古代知识的传播可以用一个词来形容:缓慢,在过去一项科学知识的传播都要经历了数百乃至数千年
the spread situation of the Ancient social knowledge:we can use one word to describe the transmission of the Ancient social knowledge:slow.In the past,the spread of a scientific knowledge must experience hundreds of thousands of years.
例如:印刷术早在公元200年就产生在中国并得到了发展和广泛的运用.但是在壹千多年后才传播到了欧洲;
For example:in A.D.200 ,printing was invented,developed and widely used in China ,but it wasn't spread to Europe until one thousand years later;
玉米的种植技术1000多年前就出现在美洲,但在哥伦布发现新大陆后才流传至欧洲和中亚.
the technology of corn planting first appeared in America about a thousand years ago ,but it was not until Christopher Columbus discovered the new continent that it was spreaded to Europe and central Asia.
这一切都是一个缓慢的过程,那么,为什么古代知识的传播会如此之慢呢?什么是古代知识传播的障碍呢?下面有请.为大家讲解.
All of this is a slow process.So,why is it that the diffusion of knowledge should be so slow?What are the obstacles that hold it back?
Next,let's welcome ...to lecture to us/to give a lecture
手工和机器的差别是手工写的句子很流畅,有句型,有重点,