In addition, rats are more mobile than mechanical robots, which are often stymied by obstacles such as fences, rocks and debris.

除此之外，老鼠比呆板的机器人更灵活，因为后者常常被像围墙、岩石和残骸这样的障碍物所妨碍。

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The barbed wire fences serve as a reminder of the horrors of the past.

这些带有倒刺的铁丝围栏是对恐怖过去的一种提醒。

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It's a year -as those of us who love baseball would say -for swinging for the fences.

这是一个，正如我们这些喜欢棒球人的所说的全垒打的年份。

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According to Ministry of Justice information, prisoners are classed as absconders if they absent themselves from prison custody without permission and without overcoming security measures such as fences and locks.

BBC: Anger at ex-royal aide's escape

They also look out for signs of illegal entry, such as broken fences where a poacher may have sneaked in.

CNN: Managing India's tiger-human conflict

Boundaries blur as tapioca fences take root and bloom.

CNN: The start Of something big?