Styx

名词 styx:

1. (Greek mythology) a river in Hades across which Charon carried dead souls
   同义词：River Styx

1. Jove gives his promise, and confirms it with the irrevocable oath, attesting the river Styx, terrible to the gods themselves.
   朱庇特应允了，还发誓绝不食言，且指定冥河斯提克斯——众神听了都要发抖的名字——做他的监誓人。