Near the tunnel of time and space, my dad dropped me the swimming ring.

快到时空隧道出口时，爸爸向我丢来了游泳圈。

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Fresh from his honeymoon, Hazem Gamal heard his wedding ring drop as he fled into a toll booth by the Brooklyn Battery Tunnel to escape the dust cloud from the crumbling south tower.

Hazem Gamal刚度完蜜月，还处在新婚的甜蜜中。当时，世贸大厦南楼逐渐坍塌，在周围形成了如乌云般的尘土，为了逃避，他躲进了布鲁克林隧道的街边收费亭，这时他听到了婚戒掉落的声响。

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As a traditional method of shield tunnel segment designing, the free displacement ring method is safe but conservative.

自由变形圆环法作为盾构隧道管片衬砌设计的传统方法，其计算结果虽安全但偏于保守。

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But the shut-down schedule also includes upgrades to all four of the LHC's detectors, the shielding of electronics, and even an overhaul of the ventilation system of the tunnel that houses the main accelerator ring.

BBC: LHC switches off for two-year break

The crucial point, and the reason for the excitement, is that both ATLAS and CMS (which are located in different parts of the ring-shaped accelerator tunnel of the LHC) have come up with the same results.

ECONOMIST: The Higgs boson