| 单词 | threat level | 
| 释义 | threat levelthreat levelPublic health A standard set by the National Institute of Justice, which determines the amount of ballistric protection afforded by soft body armor–bullet-proof vests, etc | 
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英语词典包含2567994条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。