top-security
adjective [ before noun ] uk/ˌtɒp.sɪˈkjʊə.rə.ti/ us/ˌtɑːp.sɪˈkjʊr.ə.t̬i/
（监狱、医院）戒备森严的
a top-security prison or hospital is very strongly protected because it contains dangerous people
英汉双解词典收录81607条英汉双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。