相关单词同义词basic, fundamental, essential, primary, first, 近义词 simple, uncomplicated反义词advanced, complex临近词elements, elemental, elementary row, elementary lab, elementary jar, elementary set, elementary sum, elementary ash, elementary gas, elementary map, elementary cone, elementary area相似词elegiac, elegy, element, elemental, elementary particle, elementary school, elephant, elephant corduroy, 返回 elementary