您要查找的是不是：
- Principal Warfare Officer 作战主任
- Electronic Warfare Officer Training 电子战军官训练
- Surface Warfare Officer School Atlantic 大西洋水面作战军官学校
- Surface Warfare Officer Personnel Qualification Standards 水面作战军官人员鉴定标准
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- The principal shareholder ask for a meeting. 主要股东们要求召开会议。
- The agent spoke on behalf of his principal. 代理人代表他的委托人说话。
- The naval warfare ended in our victory. 这次海战以我们的胜利而告终。
- Keys are available on application to the principal. 向校长申请就可得到钥匙。
- She's been downgraded (from principal) to deputy. 她已(从校长)降为副校长。
- Mobility is very important in guerrilla warfare. 机动性在游击战中至关重要。
- Our principal problem is lack of time. 我们的主要问题就是缺少时间。
- Prepared for use or action, especially in warfare. 有战斗力的，备战的为使用或行动准备的，尤指在战争中
- She drank in every word of the principal's lecture. 她全神贯注地听校长演讲的字字句句。
- The officer is attached to a destroyer. 这军官隶属于某驱逐舰。
- John informed the principal against Paul. 约翰向校长告发了保罗。
- In no case should a government officer take bribes. 政府官员决不能受贿。
- The central or principal vein of a leaf. 中脉中心的或主要的叶脉
- The immigration officer stamped my passport. 移民官员在我的护照上盖了戳。
- The principal discouraged unexcused absences. 校长不准无故缺课。
