ne·ces·si·ty

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【词性】：n．

【释义】：

❶ 必要(性)，需要：the necessity of remoulding one’s ideology改造思想的必要性．There is necessity for me to do this．我有必要做这件事．under the necessity of(doing)不得己而…：I am under the necessity of going to town at once．我不得不立即进城．make a virtue of necessity 逆来顺受．bow to necessity 做被迫而做的事．Necessity is the mother of invention．【谚】需要是发明之母．❷ 必然性，必然的事：necessity and contingency必然性和偶然性．the doctrine of necessity 宿命论．the realm of necessity 必然王国．❸ 必需品：daily necessities日用品，生活必需品．Food is one of the necessities of lite．粮食是生活必需品之一．❹ 贫困：be in necessity 处于贫困中．