以前，大陆之间的鸿沟允许水自由流动；而现在地峡形成了一道屏障，把大西洋和太平洋分隔开来。

While previously the gap between the continents had allowed a free flow of water, now the isthmus presented a barrier that divided the Atlantic Ocean from the Pacific Ocean.

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但我们现在必须确保打破屏障，打破那些将残疾人分隔开来并且迫使他们走向社会边缘的屏障。

But we must now ensure that we break the barriers which segregate people with disabilities and force them to the margins of society.

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在试验中，我把两个陌生人安排在一个被屏障物分隔开来的房间里。

In my experiment, I put two strangers in a room where they were separated by a barrier.

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