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
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。