The map shows the principal towns and rivers.
这张地图标出了主要城镇和河流。
Donald King is the principal of Dartmouth High School.
唐纳德·金是达特茅斯中学的校长。
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。
The principal reason for this omission is lack of time.
跳过它的主要原因是时间不足。
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。
The principal effect of the demand for new houses was to inflate prices.
对新住宅需求的主要结果是促使价格上涨。
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。
The principal is a very busy woman.
校长是个大忙人。
I sent a copy to the school principal.
我寄了一份复印件给校长。
The principal knows all the students by name.
校长能叫出所有学生的姓名。
Further information is available on application to the principal.
申请书请交校长，届时将提供详情。
We had to go and see the principal one at a time.
我们得逐一去见校长。
In the principal room, a grey carpet was removed to reveal the original pine floor.
在主房间里，一块灰色的地毯被挪开了，使原有的松木地板露了出来。
This strategy has two principal variations.
这种策略有两个主要变体。
The principal person in the procession was a priest.
游行队伍中的主要人物是一位牧师。
Their principal function was to provide funds for the state.
他们的主要职责是为国家提供资金。
In dry areas, the wind is the principal agent of erosion.
在干旱地区，风是侵蚀的主要因素。
In many parts of the world renewable energy is already a principal energy source.
在世界许多地方，可再生能源已经是一种主要的能源来源。
The principal mark of genius is not perfection but originality, the opening of new frontiers.
天才的主要标志不是完美，而是独创性，即开拓新的领域。
Therefore the principal differences in energy allocation are likely to be between growth and reproduction.
因此，在能源分配方面的主要差别可能是生长和繁殖之间的差别。
If the price level rises, your principal rises as well.
如果价格上涨，你的本金也会上涨。
Before I could say anything further, the principal gave me a sly, almost sarcastic smile.
我还没来得及说什么，校长露出了一个狡猾、几乎有些讥讽的微笑。
Your next step should be to discuss your concerns with your teacher or the principal.
下一步你应该和老师或校长讨论你的这些担忧。
It was exciting that my favorite writer would come to deliver a speech at the invitation of the principal.
我最喜欢的作家应校长之邀来发表演讲，这真令人兴奋。
The college principal promised to look into the matter.
学院院长答应研究这个问题。
He was one of the principal architects of the revolution.
他是那次革命的主要发动者之一。
She's been downgraded from principal to vice-principal.
她已从校长降职为副校长。
A country's principal resource is its brainpower.
一个国家最重要的资源是其人才库。
A country's principal resource is its brainpower.
一个国家最重要的资源是其人才库。
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