十一世纪中期,北宋庆历年间(1041-1048年)发明家毕升以泥为原料制成活字,发明了活字印刷术,使得文化的传播变得迅速而方便,从而成为中国古代的四大发明之一。如今,时光已过去了900多年,我们也已经告别了“铅与火”,进人到激光照排时代,但 In the mid-11th century, during the reign of the Northern Song Dynasty (1041-1048), inventor Bi Sheng made muddying of movable type and invented movable type printing, making the spread of culture quick and easy, thus becoming the four great inventions of ancient China one. Today, more than 900 years have passed and we have bid farewell to the lead and fire