| 单词 | precrash | 
| 释义 | precrashadjective  pre·crash  ˌprē-ˈkrash   variants  or pre-crash    : existing, occurring, or done before a crash (such as a car crash or an economic crash)  precrash scenarios used to increase safety technology precrash unemployment rates … index of 110 junk bonds showed that prices were almost back to their pre-crash levels. | 
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