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security services

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 英语 词库
security service [sɪ'kju(ə)rɪtɪ'sɜ:vɪs]
美国 Entity or component of a foreign government charged with responsibility for counterespionage or internal security functions (JP 2-01.2)
Security Service
: 5 短语, 2 学科
微软4
移民和公民身份1