They are found in a multitude of colours making them the most beautiful frog specie.

它们被发现拥有众多颜色，这使它们成为最美丽的青蛙物种之一。

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Then he had to find a way to show the frog making the arduous climb up a tree to find a new home for her tadpoles.

为了拍摄青蛙费力的爬树为它的蝌蚪们寻找一个新家时，他又想出了一个新的解决方案。

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For a seemingly trivial example, imagine a frog making repeated jumps of the same length in the same direction, starting from the corner of a square on an infinite checkerboard.

举个看似平凡的例子，假设一只青蛙从无限大棋盘上一个方块的角落出发，以相同步长朝相同象限方向一再重复跳跃[3]。

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