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 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。
- It is this molecular motion that we call heat. 就是这种分子运动我们称之为热。
- Keys are available on application to the principal. 向校长申请就可得到钥匙。
- The meeting carried the motion by a large majority. 会议以多数通过了这项提议。
- He used his casting vote to block the motion. 他用他的投票反对动议的通过。
- Kinetic energy is the energy arising from motion. 动能就是由于运动而产生的能量。
- She's been downgraded (from principal) to deputy. 她已(从校长)降为副校长。
- He introduced a motion to the Congress. 他向国会提交了一份议案。
- Our principal problem is lack of time. 我们的主要问题就是缺少时间。
- The motion was put to the assemblage. 这项提议已提交大会了。
- 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。
- Parts of the film were shown again in slow motion. 影片的一些部分以慢动作重放。
- John informed the principal against Paul. 约翰向校长告发了保罗。
- Mr.Smith spoke in support of the motion. 史密斯先生发言支持该项。动议。
- His motion threw the meeting into an uproar. 他的建议在会上引起了一片吵嚷。
- The central or principal vein of a leaf. 中脉中心的或主要的叶脉
- Matter is in constant motion and constant change. 物质总是在不断运动，不断发展。
- The principal discouraged unexcused absences. 校长不准无故缺课。
