mod·er·a·tor /ˈmɑdəˌretɚ/
 主席,會議主持人,仲裁人 ;    協調人,(負責各信區的協調管理及糾紛仲裁的任務)


 mod·er·a·tor /ˈmɑdəˌretɚ/ 名詞



 Mod·er·a·tor n.
 1. One who, or that which, moderates, restrains, or pacifies.
    Angling was . . . a moderator of passions.   --Walton.
 2. The officer who presides over an assembly or discussion to preserve order, propose questions, regulate the proceedings, and declare the votes.
 3. In the University of Oxford, an examiner for moderations; at Cambridge, the superintendant of examinations for degrees; at Dublin, either the first (senior) or second (junior) in rank in an examination for the degree of Bachelor of Arts.
 4. A mechanical arrangement for regulating motion in a machine, or producing equality of effect.

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 moderator
      n 1: any substance used to slow down neutrons in nuclear reactors
      2: in the Presdyterian church, the officer who presides over a
         synod or general assembly
      3: someone who presides over a forum or debate
      4: someone who mediates disputes and attempts to avoid violence