基本解釋adj.本質(zhì)的；必要的；重要的n.要素；必需品詞源解說(shuō) 14世紀(jì)中期進(jìn)入英語(yǔ)，直接源自后期拉丁語(yǔ)的essentialis，意為和本質(zhì)相關(guān)的。同根派生 essentialness相關(guān)詞用法辨析adj. (形容詞)essential用作形容詞指事物賴以存在或與他物相區(qū)別的“最基本的”東西。一般與to或for連用,表示“對(duì)…是要緊的”。 essential用于“It is/was essential+that-clause”結(jié)構(gòu)時(shí), that從句要用虛擬語(yǔ)氣。 essentialness使用方法essentialness詳細(xì)辨析英漢例句用作形容詞 (adj.)用作定語(yǔ): ～+ n.They lay on all essential services.他們提供一切必要的服務(wù)。用作表語(yǔ): S+be+～We can live without clothes, but food and drink are essential.沒(méi)有衣服我們可以生存,但是食物和水是維持生命所必不可少的。S+be+～+ prep .-phraseFood is essential for life.生命離不開(kāi)食物。It is/was+～+for sb+to- vIt is essential for us to know all the facts.對(duì)我們來(lái)說(shuō),了解所有的事實(shí)是必要的。It is/was+～+that-clauseIt is essential that you should come home early.你有必要早點(diǎn)回家。用作名詞 (n.)The information and advice are boiled down to bare essentials.各種資料與建議縮短為極簡(jiǎn)單的要點(diǎn)。essentialness更多例句詞組短語(yǔ)用作形容詞 (adj.)～+名詞essential character 本質(zhì)特征essential elements 要素essential goods 必需品essential harmony 基本和諧～+介詞essential to good health 對(duì)于健康十分必要essential to the growth of crops 對(duì)莊稼的生長(zhǎng)是必不可少的用作名詞 (n.)動(dòng)詞+～grasp the essentials 抓住本質(zhì)essentialness更多詞組