Nine days after the fanfare, however, a leak in the cooling system put things on hold and they did not restart until last November, with a few gentle collisions between low-energy protons.

然而开启后的第九天，冷却系统的泄露却导致整个系统的停滞，直到去年11月才做了一些低能量质子之间的微弱碰撞。

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The LHC's operating team believed that they may have the first low energy collisions by next week and higher energy's early next year.

LHC操作小组相信，他们到下周之前可以完成首次低能量碰撞，而明年年初则可以完成更高能量的碰撞。

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