primary

primary
adjective

of chief importance; principal
首要的；主要的
the government's primary aim is to see significant reductions in unemployment.
政府的首要目标是使失业率显著下降。
earliest in time or order of development
最初的，原始的
the country was in the primary stage of socialism.
这个国家处在社会主义初起阶段。
■not derived from, caused by, or based on anything else
原本的，原有的；第一手的，直接的
the research involved the use of primary source materials in national and local archives.
这次调查用的是全国和地方档案中的第一手资料。
of or relating to education for children between the ages of about five and eleven
（约5至11岁儿童的教育）初等的；初级的，小学的
a primary teacher.
小学教师。
■(Biology & Medicine)belonging to or directly derived from the first stage of development or growth
(生，医)原发的
a primary bone tumour.
原发性骨瘤。
(Primary)(Geology). former term for Palaeozoic
(地质)。 Palaeozoic 的原称
relating to or denoting the input side of a device using electromagnetic induction, especially in a transformer
（尤指变压器的）初级线圈；原线圈
(Chemistry)(of an organic compound) having its functional group located on a carbon atom which is bonded to no more than one other carbon atom
(化)（有机化合物）伯的，连上一个碳原子的
■(chiefly of amines) derived from ammonia by replacement of one hydrogen atom by an organic group
（主指胺）（氨基酸顺序）一级的

(pl. -ies)

(亦作 primary election)(in the US) a preliminary election to appoint delegates to a party conference or to select the candidates for a principal, especially presidential, election
（美国）（尤指总统选举时决定党派候选人的）初选
short for
■(Brit.)a primary school
(英)。 primary school 的简称
■(Ornithology)a primary feather
(鸟)。 primary feather 的简称
■a primary coil or winding in an electrical transformer
原线圈
(Astronomy)the body orbited by a smaller satellite or companion
(天文)主星
(the Primary)(Geology, dated)the Primary or Palaeozoic era
(地质旧)古生代

语源

late Middle English (in the sense 'original, not derivative'): from Latin primarius, from primus 'first'. The noun uses date from the 18th cent

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