And it wasn't until 1945 that it was revealed to contain Pythagorean triples.

直到 1945 年，毕达哥拉斯三元组才被发现。

In particular, the Mesopotamian understood Pythagorean triples at a level of sophistication that we never expected.

特别是美索不达米亚人对毕达哥拉斯三元组理解的复杂程度，是我们从未预料到的。

One of the most famous Pythagorean triples is 3,4,5,and that triangle is hiding all over your chessboard.

最著名的毕达哥拉斯三元组之一是 3、4、5，这个三角形隐藏在您的棋盘上。