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1·The principal is a very busy woman.

校长是个大忙人。《牛津词典》

2·I sent a copy to the school principal.

我寄了一份复印件给校长。《柯林斯英汉双解大词典》

3·The map shows the principal towns and rivers.

这张地图标出了主要城镇和河流。《牛津词典》

4·The principal knows all the students by name.

校长能叫出所有学生的姓名。《牛津词典》

5·Everyone will be there, from the Principal down.

从校长下至每个人都将到场。《牛津词典》

6·We had to go and see the principal one at a time.

我们得逐一去见校长。《牛津词典》

7·Stoppard had to recast four of the principal roles.

斯托帕德不得不更换4个主要角色的人选。《柯林斯英汉双解大词典》

8·New roads will link the principal cities of the area.

新建道路将连通这个地区的主要城市。《牛津词典》

9·Donald King is the principal of Dartmouth High School.

唐纳德·金是达特茅斯中学的校长。《柯林斯英汉双解大词典》

10·The principal reason for this omission is lack of time.

跳过它的主要原因是时间不足。《牛津词典》

主要

1·The map shows the principal towns and rivers.

这张地图标出了主要城镇和河流。《牛津词典》

2·Stoppard had to recast four of the principal roles.

斯托帕德不得不更换4个主要角色的人选。《柯林斯英汉双解大词典》

3·New roads will link the principal cities of the area.

新建道路将连通这个地区的主要城市。《牛津词典》

4·The principal reason for this omission is lack of time.

跳过它的主要原因是时间不足。《牛津词典》

5·They were the principal shareholders in a bank riddled with corruption.

他们是一家腐败成风的银行的主要股东。《柯林斯英汉双解大词典》

校长

1·Donald King is the principal of Dartmouth High School.

唐纳德·金是达特茅斯中学的校长。《柯林斯英汉双解大词典》

2·We looked around the school and talked with the principal.

我们参观了那所学校，并跟校长进行了交谈。《牛津词典》

3·She abused her position as principal by giving jobs to her friends.

她滥用自己作为校长的职权，把工作安排给朋友们。《牛津词典》

4·I asked my principal if he could arrange a collection for a refugee charity.

我问我的校长能否为难民组织一次慈善募捐。《柯林斯英汉双解大词典》

5·She's been downgraded from principal to vice-principal.

她已从校长降职为副校长。《牛津词典》

本金

1·If you have a mortgage, he says, keep cash on hand equal to about 20% of your outstanding mortgage principal balance plus whatever you need in the cash Kitty.

他说，如果你有抵押贷款，那么应该保留未清偿抵押贷款本金余额20%左右的现金加上为满足其他需要而保有的现金。

2·You can think of the inherent complexity as the principal, and the extra effort imposed by previous expedient shortcuts as the interest.

您可以把内在复杂度视为本金，而把前几条作为权宜之计的捷径所强加的额外工作视为利息。

3·Speculative borrowers can meet current interest payments from cashflows but need to roll over their debt in order to pay back the principal.

投机借款人能够从现金流中支付现行利息，但需要通过延期偿还他们的债务来偿还债务本金。

4·If that happens, your monthly payments will be low and you'd get to repay the principal over time with devalued dollars.

如果发生这种情况，你的月度供款会较低，你可以在一定时间内用贬值的美元逐渐偿还掉本金。

5·Combine a loan from your friends with other funding sources to create a dynamic portfolio. You should not draw too heavily on one source to avoid excessive interest rates on high principal.

把从朋友处贷的款和其他资金来源整合在一起，制作一份动态的卷宗，你不能为避免高本金应付的过多利息而只动用一个资金来源。

首要的

1·But the study shows that principal among them is the work of library staff to meet the information needs of the communities they serve.

但该项研究显示：其中首要的因素是：图书馆工作人员的工作须满足他们所服务的社区的知识需求。

2·It's a major focus of the Bank's work, and it might well be the principal focus of the Bank 10 or 15 years from now.

清洁能源是世行工作的一项主要重点内容，而且很可能是今后10 - 15年中世行的一项首要重点内容。

3·Take a principal justification for the ban: public security.

这个禁令的首要辩护词是：公共安全。

4·He reproduces a version of the mind nature dualism after all by making that mind take the principal contrary to life.

他重提心灵自然的二元论版本，通过采用生命首要相反面，来产生心灵。

5·Juno's principal goal is to understand the origin and evolution of Jupiter.

朱诺的首要目标是了解木星的起源和进化。

负责人

1·They don't get a lot of grounding in the people side of the business, said James Shaffer, vice-president and principal of the Towers Perrin management consulting firm.

“他们在公司的人事方面没有多少根基。”韬睿管理咨询公司副总裁兼负责人詹姆斯·谢弗表示。

2·No project principal or supporting institution may steal or misappropriate the funds by any means.

项目负责人、依托单位不得以任何方式侵占、挪用基金资助经费。

3·When one girl found her picture on a boy's cellphone, her school's principal, the police and prosecutors became involved.

当女孩发现某个男孩手机上有自己的照片之后，她学校的负责人、警察和检察官就开始跟进这起事件。

4·The primary point of contact is presumed to be the principal inside change agent for the client.

主要的联系人假设为客户的变更代理中的负责人。

5·Article 33 Alterations of the name, legal representative, key principal or investor of any employer may not influence the performance of the labor contracts.

第三十三条用人单位变更名称、法定代表人、主要负责人或者投资人等事项，不影响劳动合同的履行。

委托人

1·Any expense necessary for handling the entrusted affair advanced by the agent shall be repaid with interest by the principal.

受托人为处理委托事务垫付的必要费用，委托人应当偿还该费用及其利息。

2·It was a painful affair, cut short by a principal who realised that the visitor from America did not have permission from Jael to visit the handsome round-headed boy with a wary gaze.

那是一件“费力的事情”，被一个委托人突然停止，因为这个人意识到这位来自美国的访客并没有得到Jael夫人的允许来会见这位“英俊的带着谨慎目光的圆头顶男孩”。

3·The agent is given authority to perform certain specified ACTS or kinds of ACTS on behalf of the principal.

代理人被授权为了委托人的利益去完成某种特定的行为或各种行为。

4·Other content that the principal believe is necessary.

委托人认为其他需要说明的内容。

5·Details of the principal including full name, postal address, and if applicable telex, telephone and facsimile Numbers.

委托人的详细资料，包括完整的名称、邮政地址，以及如有的话，电传、电话和传真号码。

资本

1·Next, we'll drill down a bit further into the theme of protecting principal by analyzing the reasons for how this asset class minimizes downside.

接下来，我们会通过分析这种资产类型使负面影响最小化的原因进一步讨论保护资本这一主题。

2·The power of compound interest: Over long periods of time, small amounts of money can grow as interest compounds and adds to your principal.

利润的力量：在长的时期，小金额可能增长能作为复利增长你的资本。

主要负责人

1·Other organizations shall be represented by their principal heads in the proceedings.

其他组织由其主要负责人进行诉讼。

2·The principal with rich experience in elevator sales industry.

公司的主要负责人有多年的电梯设备销售经验。

(1)principal component主成分；[化]知组分

(1)principal component analysis主成分分析

(1)principal and interest本利，本金及利息

(1)principal stress主应力；枝力，枝动

(1)principal axis[物]主轴

(1)principal factor主要因素；主因子法