单词	PA system
释义	PA system noun ˌpē-ˈā-  : public-address system Word History First Known Use circa 1936, in the meaning defined above
随便看	string up stringboard stringboards stringcourse stringcourses stringed stringed instrument stringedder stringeddest stringeder stringedest stringencies stringency stringendo stringent stringenter stringentest stringentlier stringentliest stringently stringer stringer lode stringer plate stringers stringful

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