a : the downward slope (as of a hill) : declivity b : a precipitous descent of water : waterfall知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。Becky later encounters a hallucination of a vulture attacking Hunter’s corpse, which prompts her to realize that Hunter died in the course of the desce