n.教練教官；訓(xùn)練員
The drillmaster is training the new soldiers at the drill ground. 教官正在校場訓(xùn)練新招收的士兵。
In order to learn flight, he developed a friendship with the drillmaster. 為了學(xué)習(xí)飛行，他和教官交上了朋友。
