辅助警报器

auxiliary alarm  detail>>

警察

police; policeman  短语和例子   由警察押送 escort under police; 便衣警察 plainclothes policema...  detail>>

辅助警报系统

secondary alerting system  detail>>

全球救助警报网

global rescue alarm net  detail>>

手机助警擒匪记

mobile phones help to catch robbers  detail>>