The two principal combustion products are water vapor and carbon dioxide.

The principal reason for this omission is lack of time.

跳过它的主要原因是时间不足。

He was one of the principal architects of the revolution.

他是那次革命的主要发动者之一。

The principal issues in dispute concern the duration of the future treaty.

有争议的主要问题牵涉到将来条约的期限.

The boys like the principal because he always plays fair.

这些男孩们喜欢这位校长,因为他待人公平.

A group of students asked to see the principal.

一批学生要求见校长.

The book was kindly and favourably reviewed in the principal papers.

这本书得到几家主要报纸的赞许和好评.

I must consult my principal.

我必须同委托人商量.

The principal castigate the student who have insult their teacher.

校长谴责对老师不敬的学生.

There was no school play because the principal withheld his consent.

由于校长没同意,学校里没有举行比赛.

The judge examined the principal witness.

法官询问了主要证人.

Ever since World War the United States has been Japan's principal trade partner.

二次世界大战以来,美国一直是日本的主要贸易伙伴.

The principal reproved the students for always staying away from school.

那个校长责备了那几个学生,因为他们总好逃学.

The details of the principal cause are not known.

主因未详.

When he saw the principal, he raised his hand in salutation.

他看到校长时举手敬礼.

There is a shortage of principal.

资金有些短缺.

The President doesn't need a primer on national security.

总统对于国家安全是不需要读入门书的。

The president was escorted by big crowds in front and behind.

总统的前后簇拥着一大群人.

The inauguration of the President is announced for Friday.

总统的就职典礼已定于星期五举行.

The President told the reporters his remarks were strictly off the record.

总统告诉记者们他的谈话不得公开发表.

The President spoke to the whole nation on television.

总统向全国作了电视讲话.