They shut down the nuclear reactor for safety reasons.出于安全原因他们关闭了核反应堆。Emergency cooling systems could fail and a reactor meltdown could occur.紧急冷却系统有可能失灵，核反应堆有可能发生堆芯熔毁。the core of a nuclear reactor核反应堆的活性区...
A town of central Italy in the Apennines northwest of Naples.卡西诺意大利中部亚平宁山脉腹地的一座城镇,位于那不勒斯西北部.Rome was set up by a group of islanders who lived in Apennines peninsula.罗马共和国是由一群居住在亚平宁半岛的岛民建成的....