adj. 1.第一的，最初的，初级的；初等的；基本的；基层的。 2.主要的，为首的，第一位的。 3.原始的，根本的；原著的，第一手的；(颜色)原色的。 4.初步的 (opp. secondary); 预备的。 5.【医学】初期的，第一期的。 6.【电学】一次的；原的；第一级的。 7.【生物学】初生的；【地质学；地理学】原生的，原成的，结晶岩的，最下层的。 8.【化学】伯的；连上一个碳原子的；(无机盐)一代的。 9.【语法】语根的；一级语结的。 短语和例子 a matter of primary importance 头等重要的事情。 primary meaning of a word 一个词的原义。 n. 〔常 pl.〕 1.居首位的事物，主要事物。 2.〔美国〕候选人选拔会；初选。 3.原色；原色感。 4.(油漆等的)底子。 5.【天文学】主星；(有卫星的)行星。 6.【电学】原线圈；初级线圈。 7.【动物；动物学】〔pl.〕鸟翼末节上的羽毛，初级飞羽；(昆虫的)前翅。 8.【语法】一级语结〔叶斯帕森用语，指句中可用作主语、宾语的成分，包括名词、代词、分句以及不定式结构等〕。
of first rank or importance or value; direct and immediate rather than secondary; "primary goals"; "a primary effect"; "primary sources"; "a primary interest"
not derived from or reducible to something else; basic; "a primary instinct"
of primary importance 同义词：basal,
most important element; "the chief aim of living"; "the main doors were of solid glass"; "the principal rivers of America"; "the principal example"; "policemen were primary targets"; "the master bedroom"; "a master switch" 同义词：chief, main, principal, master,
of or being the essential or basic part; "an elementary need for love and nurturing" 同义词：elementary, elemental,
a preliminary election where delegates or nominees are chosen 同义词：primary election,
one of the main flight feathers projecting along the outer edge of a bird''s wing 同义词：primary feather, primary quill,
coil forming the part of an electrical circuit such that changing current in it induces a current in a neighboring circuit; "current through the primary coil induces current in the secondary coil" 同义词：primary coil, primary winding,
(astronomy) a celestial body (especially a star) relative to other objects in orbit around it
例句与用法
1.
Freedom of worship was a primary guarantee . 做礼拜自由是一项基本保证。
2.
The revolutionary point remained primary . 革命的观点继续占上风。
3.
The individual is his or her own primary concern . 人最关心的是他“自己”。
4.
Attendance at primary school is obligatory . 上小学是义务的。
5.
We were classmates at primary school . 我们在小学是同班同学。
6.
Check the solution against a primary standard . 对照原来的标准液来检验此溶液。
7.
An ideal q in ring a is primary . 环A中的理想q是准素的。
8.
Pericarditis may occur as a primary disease process . 心包炎可能是一种原发性疾患。
9.
Primary plaques were detectable in 16 to 20 hours . 在16到20小时内可查出原发溶斑。
10.
First of all we should make primary education universal . 首先我们应普及初等教育。
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