1·The invention of the tangram puzzle is unrecorded in history.
七巧板的发明在历史上是没有记载的。
2·In China its country of origin the tangram puzzle was considered a game for women and children.
在发源地中国，七巧板是妇女和儿童喜闻乐见的一种游戏。
3·In China, its country of origin, the tangram puzzle was considered a game for women and children.
在发源地中国，七巧板是妇女和儿童喜闻乐见的一种游戏。
4·Tangram, an ancient Chinese puzzle, are said to have a history that goes back many thousands of years.
七巧板，一种中国老祖先所传承的智力游戏，据说已有数千年的历史。