With the discovery of the papyrus reed, a mixture of shoot, gum, and water used as ink for writing, thus the period of documentary history began.

• 有一种叫纸莎草的芦苇；它是由嫩枝；树胶；和水构成的；可以象墨水一样用于写作.；随着它的发现；人类进入了有文字的历史时期