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。
- Keys are available on application to the principal. 向校长申请就可得到钥匙。
- It may take a long time to find a solution to the problem. 也许要花很长时间才能找到解决这个问题的办法。
- She's been downgraded (from principal) to deputy. 她已(从校长)降为副校长。
- Our principal problem is lack of time. 我们的主要问题就是缺少时间。
- I simply refuse to conceive of such a solution. 这样的解决办法，我是绝对不考虑的。
- 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。
- What color is copper sulphate solution? 硫酸铜溶液是什么颜色？
- John informed the principal against Paul. 约翰向校长告发了保罗。
- Mary is sceptical about the solution. 玛丽对这个解决办法表示怀疑。
- The central or principal vein of a leaf. 中脉中心的或主要的叶脉
- His problem did not really admit of any solution. 他的问题真是没有解决的可能。
- The principal discouraged unexcused absences. 校长不准无故缺课。
- He doped out a solution to the problem. 他想出一个解决该问题的方法。
- 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。
- The solution to this problem is acceptable. 这个问题的解决方案是可接受的。
- Our school gave a reception to our new principal. 我们学校为新校长举行了欢迎会。
