n.調(diào)解人；仲裁人
n.減速劑 (降低自由中子在核反應(yīng)堆中速度的物質(zhì)；讓中子更可能使鈾235原子裂變；而較少被鈾238原子吸收)
Anyone who feels that a posted message is objectionable is encouraged to notify an administrator or moderator of this forum immediately. 感到一條公布的消息該反對(duì)的任何人被鼓勵(lì)立即通知一名管理者或者這個(gè)論壇的仲裁人。
