Regardless, all these complex measures had the same psychological purpose: to reassure people that the free fall would stop and, thereby, curb the fear that would perpetuate (使持久) a free fall.
出自-2013年6月阅读原文
柯林斯高阶英汉双解学习词典释义
VERB
使安心;使得到保证;打消…的疑虑
If you reassure someone, you say or do things to make them stop worrying about something.