相关单词同义词elementary, fundamental, basic, necessary, primary, element, principle, entity, necessity, requirement, texture, 近义词adj. basic, elemental, fundamental反义词adj.inessential临近词Essex, essence, essentiale, essentials, essentialia, essentially, essentiality, Essentiale N, essentialist, essentialize, essential to, essentialism相似词essay, essay mill, essayist, essence, essential oil, essential services, essentially, Essex, 返回 essential