1 most important; main 最重要的;首要的;主要的: Smoking is one of the primary causes of lung cancer.吸烟是引起肺癌的主要原因之一。
2 connected with the education of children between about five and eleven years old 与五至十一岁的儿童教育有关的;初等教育的;小学的: Their children are at primary school.他们的孩子在上小学。
primary²
/ˈpraɪməri; US -merɪ ||; ˈpraɪˌmɛrɪ/(also primary eˈlection) noun [C] (pluralprimaries) (US 美) an election in which people from a particular area vote to choose a CANDIDATE (= a person who will represent the party) for a future important election 初选(政党通过初选选出党内候选人参与重要公职选举)