Lower World什么意思？

The river Gi 611 -- the Norse Styx - surrounded this lower world on every side.地狱四周环绕着冥河吉奥尔....

Lower World的音标：Lower World的英式发音音标为：['ləuə wɜː(r)ld]Lower World的美式发音音标为：['laʊɚ wɜrld]...