So it's a molten salt reactor. It has a core, and it has a heat exchanger from the hot salt, the radioactive salt, to a cold salt which isn't radioactive.
这个反应器是一个熔盐反应堆。它有一个堆芯， 还有一个热交换器在放射性热盐 和非放射性冷盐之间进行热量交换。