Fleas became wise up and adjusted his own jump height.

跳蚤开始变得聪明起来，调整了自己所跳的高度。

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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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"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.

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Bernard, the 2006 Commonwealth silver medallist, passed at the opportunity to jump 2.19m, going straight to 2.23 and, after three attempts, he cleared the height.

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