During normal operation, it is a stand-by facility.

核电站正常运行期间，它是个待用设备。

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During normal operation, it is a stand-by facility. When a loss-of-coolant accident occurs, it injects emergency cooling water into the core to ensure the safety of the nuclear power plant.

正常运行时，它是个备用设备，发生失水事故时，可向堆芯注入应急冷却水，以确保核电站安全。

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But, short-term, her agreement to stand by a more ambitious version of the European Financial Stability Facility (EFSF) could do the same job.

BBC: A happy ending for the euro?