名词 moderator:

1. any substance used to slow down neutrons in nuclear reactors

2. in the Presbyterian 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

moderatorn.调解人；仲裁人n.减速剂 (降低自由中子在核反应堆中速度的物质；让中子更可能使铀235原子裂变；而较少被铀238原子吸收)moderator materia减速剂moderator coolantn.减速冷却剂moderator control减速剂控制moderator lattice慢化剂栅格moderator dumping慢化剂排放moderator assembly减速[慢化]剂块moderator variable干涉变量moderator overflow慢化剂溢流moderator material减速剂moderator-coolant慢化冷却剂

1. The moderators in my conference do a good job.
   我所在论坛的版主工作干得很好。
2. Each group is supervised by a small number of moderators.
   每个小组被若干个版主管理。