By the time that the core was sealed away inside over 26 days worth of additional natural background radiation had already been unleashed onto the planet.
当堆芯被密封在里面时,有超过 26 天的额外自然本底辐射已经被释放到地球上。
英汉网英语在线翻译词典收录了3779314条英语词汇在线翻译词条,基本涵盖了全部常用英语词汇的中英文双语翻译及用法,是英语学习的有利工具。