peace officer

例句：

1. 1. He is a peaceofficer who works for the United Nations.
   他是一名为联合国工作的和平官员。
2. 2. The peaceofficer was called to the scene immediately afterthe explosion.
   爆炸发生后，这名和平官员立即被召到现场。
3. 3. The peace officerwas able to mediate between thetwo groups and prevent further violence.
   这位和平官员成功地调解了两个团体之间的冲突，避免了进一步的暴力行为。