primary

主要的、首要的、最重要的

Our primary concern is the safety of the passengers.

我们最主要的考量是乘客的安全。

初级的、基础的教育

She has taught primary education for over twenty years.

她从事小学教育已经超过二十年。

第一手的、原始的

The thesis relies heavily on primary sources such as letters and diaries.

这篇论文大量运用信件、日记等第一手史料。

最初的、原初的

Poor diet was the primary cause of his health problems.

饮食不良是他健康出问题的最初原因。

原色的

The classroom walls are painted in bright primary colors.

教室的墙壁刷上了鲜艳的原色。

初选美式，政治

He won the primary by a surprisingly wide margin.

他以出乎意料的大幅差距赢得初选。

小学英式

Their youngest child is still at primary.

他们最小的孩子还在读小学。

原色

Orange cannot be mixed from a single primary.

橘色无法只用一种原色调出来。