您要查找的是不是：
- principal supply road 主要供应线路
- 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。
- The firm's tender for the supply of timber has been accepted. 那家商号的供应木材投标已被接受。
- We came by the principal road yesterday. 我们昨天从主路过来的。
- 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。
- Our country has a bountiful supply of food. 我们国家有充足的食物供应。
- In addition, we supply small parts for replacement. 此外，我们还提供备用小零件。
- 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 supply ships travelled in convoy. 补给船结队航行。
- John informed the principal against Paul. 约翰向校长告发了保罗。
- How many calories can an ounce of sugar supply? 一盎司糖可以供给多少卡热量？
- There was a liberal supply of drinks at the party. 那次宴会上有大量饮料供应。
- The central or principal vein of a leaf. 中脉中心的或主要的叶脉
- Our wood supply proved insufficient. 我们的木材供应证明是不够的。
- The principal discouraged unexcused absences. 校长不准无故缺课。
- Rubber is the country's principal export. 橡胶制品是该国主要的出口产品。
