那些从桥上过压紧桥面的车辆会导致路面上半部分的压缩，使其想被压缩的弹簧一样变短。
The vehicles that press down on a bridge's roadway compress the top half of the road, causing it to shorten like a compressed spring.
在大型地下场所中储存的空气，就像一个被压缩的弹簧，如有需要，能够将大部分转化进来的能量输送出去。
The air, pumped into large underground formations, is like a spring that's been squeezed and when it's needed, it can deliver a large percentage of the energy that it received.
这保证了事物不会由一定质量被压缩成为一个无限大密度的“奇点”，相反地，事物像弹簧一样反弹，并且开始重新扩张。
This prevents matter from compressing indefinitely to a singularity of infinite density. Instead, matter rebounds like a spring, and starts expanding again.
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