1
- 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。
2
- earliest in time or order of development最初的, 原始的：
the primary stage of their political education.
他们政治教育的最初阶段。
2.1
- 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。
2.2
Primary
Geology former term for PALAEOZOIC.【地质】PALAEOZOIC的原称。
3
- 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.
这次调查用的是国家和地方档案馆的第一手资料。
4
- 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。
5
- 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; 一次绕组。
6
- 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。
6.1
- (chiefly of amines) derived from ammonia by replacement of one hydrogen atom by an organic group（多指胺）（氨基酸顺序）一级的。
(pl. -ies)
1
- （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。
2
- a primary colour.原色。
2.1
- Ornithology a primary feather【鸟】初级飞羽。
2.2
- Astronomy the body orbited by a smaller satellite or companion【天文】主星。
2.3
- a primary coil or winding in an electrical transformer初级线圈, 原线圈。
3
the Primary
Geology, dated the Primary or Palaeozoic era【地质】〈旧〉古生代。
词源
late Middle English （in the sense 'original， not derivative'）： from Latin primarius, from primus 'first'. The noun uses date from the 18th cent.