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汉语拼音：hé fǎn yìng duī

使铀、钚等的原子核裂变的链式反应能够有控制地持续进行，从而获得核能的装置。简称反应堆。

1. 即原子反应堆。使铀、钚等放射性元素的原子核裂变以取得原子能的装置。原理是用中子击破铀、钚等元素的原子核，发生链式反应而释放出大量的能。

• 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 cutaway picture of the inside of a nuclear reactor

  核反应堆内部的剖面图

• The reactor is encased in concrete and steel.

  核反应堆由钢筋混凝土围住。

• the nuclear reactor's emergency shutdown procedures

  核反应堆的紧急关闭程序

• An ageing nuclear reactor is an accident waiting to happen.

  老化的核反应堆早晚会出事故.

• A nuclear reactor is the apparatus in which atoms are split.

  核反应堆是分裂原子的装置.

• A meltdown at the reactor had only just been avoided.

  险些发生核反应堆熔毀事故.

• Its radar equipment was powered by a nuclear reactor.

  其雷达装置由一核反应堆提供动力.

• The guts of the reactor have to be hauled out of the pressure vessel.

  核反应堆的核心构件必须从压力罩中取出来。

• Large areas of land have been contaminated by the leakage from the nuclear reactor.

  大片地区都被核反应堆的泄漏物污染了.

• A nuclear reactor generates prodigious amounts of heat.

  一座核反应堆能发出巨大的热量.

• It is true that not all technologies are so uncomplicated.

  当然,不是任何的技术都如此简单,比如,操作核反应堆的人必须是这方面的专家而且要经过专业训练.

• The Nuclear reactor is the heart of a nuclear power plant.

  核电站的心脏是核反应堆.