el·e·men·ta·ry/ˏɛlə`mɛntərɪ; ˌelɪˈmentəri◄/ adj 1 simple or basic 简单的,初级的: an elementary mistake 简单的错误 2 relating to the first and easiest part of a subject 基础的: a book of elementary chemistry 基础化学课本 3AmE relating to the first six or eight years of a child's education 【美】 小学的; PRIMARY BrE【英】: an elementary school 小学