求英语大神，我们大学口语课要做ppt组队上台选一个主题进行全英语展示，我们选的是介绍中国古代兵器，

推荐回答

Before the development of powder, all kinds of cold weapons are used among armies. Here I am to introduce seven kinds of weapons in ancient China. Each of them has different figures and use. Let's go and see.