1形容词a

1.主要的, 初期的, 根本的, 原始的, 首要的, 基本的

A primary cause of Tom's failure is his laziness.

懒惰是汤姆失败的主要原因之一。 

2. 初级的,初等的;基层的[Z][B]

I started primary school when I was 5 years old.

我五岁时开始读小学。 

3. 最初的;原始的[Z][B]

The historian searched for primary sources of information about the past.

历史学家寻找有关过去的原始资料来源。 

4. 基本的;本来的[Z][B]

The primary meaning of the word isn't used now, but you can look it up in a big dictionary.

这个字的本义现在不用了,但你可以在大字典里查到。

2名词n.

[C]最主要者, 原色

1. (次序,质量等)居首位的事物 

2. 原色 

3. 【主美】候选人选拔会;初选

We lost the New Hampshire primary.