elementary /.eli'mentsri;, els'mentsri/ adj of or in the beginning stage(s); not developed; simple: 初步的; 基本的; 未發(fā)展的; 簡單的： the ~ rules of social conduct; 南 i 會行為的基本守則; ~ arithmetic. 初等算數(shù)。 elementarily /.ek'mentsrslr US:, eli-man'terafi; , el3msn'1crsli/ adv