Two billion years ago the conditions necessary for self-sustained fission must not have been too rare, so perhaps other natural reactors will one day be discovered.
Two billion years ago the conditions necessary for self-sustained fission must not have been too rare, so perhaps other natural reactors will one day be discovered.
在20亿年前，要形成自我维系的核分裂条件可能不会太稀奇，所以有朝一日我们或许会发现其它的天然核反应堆。