English composition papermaking

I believe everyone is too familiar with paper, because it needs to be used every day. However, what is in front of us is a blank sheet of paper. We all know how it is made. Today, when I introduce you to the little tour guide.

According to legend, in BC 105, Cai Lun successfully invented papermaking. He summed up the experience of predecessors in papermaking, and after repeated experiments, materials such as bark, hemp, rags and old fishing nets were rammed, copied and arched downwards. 72 process, and finally made a practical fiber paper, called "color thick paper", which has made great contributions to the reform and popularization of papermaking.

Later, with the continuous development of papermaking, thin paper and rattan paper appeared again. After continuous improvement, they finally became our common white paper.

After my introduction to papermaking, do you all know something about paper? In this speech, I realized the wisdom of the ancients, papermaking is one of the crystallization of their labor; At the same time, I want to remind you that paper is hard to come by, so we should cherish it. I believe everyone is familiar with paper, because it is used every day. However, do you all know how to make white paper in front of us? Today, I will be a small commentator and introduce it to you. According to legend, Cai Lun successfully invented papermaking in 105 BC. He summed up the experience of predecessors in papermaking. After repeated experiments, he used bark, hemp rope, rags, old fishing nets and other raw materials, and finally made a practical fiber paper through 72 processes such as beating, ramming, copying and bulging. At that time, it was called "Cai Hou Paper". This kind of paper has made great contributions to the reform and popularization of papermaking. Later, with the continuous development of papermaking, Zuo Bo paper and rattan paper appeared. After continuous improvement, it finally became our common white paper. After listening to my introduction to papermaking, do you know anything about paper? In this introduction, I realized the wisdom of the ancients, and papermaking was also one of their labor crystallization; At the same time, I also want to remind everyone that paper is hard-won, so we should cherish it.