He waited until the volcano became quiet and he was able to return two days later.

题目

He waited until the volcano became quiet and he was able to return two days later.
新概念第二册67课,这句如果把and拆开,请问如何拆,其实我是没有搞明白until和and的关系,
拆法一:
He waited until the volcano became quiet.
He waited until he was able to return two days later.
拆法二:
He waited until the volcano became quiet.
He was able to return two days later.//如果这么拆,这句怎么翻译呢?
请问哪种拆法是对的,或都不对,最好简单说下理由

答案