佛教提出六道：天道、阿修罗道、人道、畜牲道、饿鬼道和地狱道。
Six realms of existence are identified in buddhism : gods , demigods , humans , animals , hungry ghosts , and hells .
如果发生这样的紧急情况，他们也应该清楚地知道逃出这一高耸的地狱的最佳之道。
They should also have a clear idea of how best to descend the towering inferno should such an emergency arise .
地狱道