But when we got it back to the laboratory it became clear it was a cockroach, closely related to the common roach but with sophisticated hind legs and the ability to jump many times its own height.

不过在带回实验室之后我们才发现这是只蟑螂，与通常所见的蟑螂非常类似，不过后腿非常发达，跳跃能力很强。

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Boulderers climb short routes up to a height that is still safe to jump off from.

抱石的人攀爬的线路短，高度在跳落下来是安全的范围之内。

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Know how to train fleas. Fleas are conditioned that they can only jump a certain height. Likewise, man along the way, conditioned himself on his own limits.

了解如何训练跳蚤。跳蚤认为他们只能跳到特定的高度，同样的，人也会认为自己只能达到某个极限。

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"Other jump races have uniform fences with a standard height of 4 foot 6 inches (1.4 meters), " Dene Stansall, horse racing consultant at Animal Aid, told CNN.

CNN: The Grand National: Do you like death with your sport?