The abacus was inviented in the six century by the Chinese(这是书上原句 算盘） The umberealla was inviented in 1000 by the Chinese(伞） The binoculars was inviented in 1608 by the Italy（双筒望远镜） The camera was inviented in 1839 by the France（照相机） The bicycle was inviented in 1971 by the Britain（自行车）
