您要查找的是不是：
- My wages are the principal source of my income. 薪金是我收入的主要来源。
- The spacecraft is in orbit around the moon. 该航天器在绕月球轨道运行。
- 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。
- 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。
- The space shuttle will orbit a weather satellite. 太空梭将把一个气象卫星送入运行轨道。
- Our principal problem is lack of time. 我们的主要问题就是缺少时间。
- The launch vehicle lifts the satellite into orbit. 太空火箭将人造卫星送入运行轨道。
- 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。
- John informed the principal against Paul. 约翰向校长告发了保罗。
- Something of circular form; a circle or an orbit. 圆形物体圆形物体; 圆圈或环形轨道
- The central or principal vein of a leaf. 中脉中心的或主要的叶脉
- The principal discouraged unexcused absences. 校长不准无故缺课。
- The spacecraft is in orbit (ie moving in orbit) round the moon. 该航天器在绕月球轨道上飞行。
- Rubber is the country's principal export. 橡胶制品是该国主要的出口产品。
- The principal has a very tight schedule. 校长的日程表排得满满的。
- Our school gave a reception to our new principal. 我们学校为新校长举行了欢迎会。
- Marketing does not come within the orbit of his department. 市场推销业务不归他这一部门管。
- The principal knew all the students individually. 校长认识每个学生。
