necessity

英 [nəˈsesəti]

美 [nəˈsesəti]

n.  必然; 必要; 需要; 必需的事物; 必需品; 必然性; 不可避免的情况

复数：necessities　

CET4CET6考研TOEFLIELTSTEM4TEM8法律

Collins.2 / BNC.3374 / COCA.3951

习惯用语

n.

necessity is the mother of invention
• 需要是发明之母
  a difficult new problem forces people to think of a solution to it
make a virtue of necessity
• 不得已而力争有所得
  to manage to gain an advantage from sth that you have to do and cannot avoid

牛津词典

noun

• 必然；必要；需要
  the fact that sth must happen or be done; the need for sth
  1. We recognize the necessity for a written agreement.
     我们认为有必要签订一份书面协议。
  2. We were discussing the necessity of employing more staff.
     我们在讨论是否需要雇用更多员工。
  3. There had never been any necessity for her to go out to work.
     她从来就没有出去工作的必要。
  4. This is, of necessity , a brief and incomplete account.
     这必然是一份简略的、不完全的描述。
• 必需的事物；必需品
  a thing that you must have and cannot manage without
  1. Many people cannot even afford basic necessities such as food and clothing.
     许多人甚至买不起食物和衣服之类的基本必需品。
  2. Air-conditioning is an absolute necessity in this climate.
     这样的气候绝对需要有空调。
• 必然性；不可避免的情况
  a situation that must happen and that cannot be avoided
  1. Living in London, he felt, was an unfortunate necessity.
     他觉得在伦敦生活是迫于无奈。

柯林斯词典

• N-UNCOUNT 必然;必要
  Thenecessityof something is the fact that it must happen or exist.
  1. There is agreement on the necessity of reforms...
     对改革的必要性已经达成了共识。
  2. As soon as the necessity for action is over the troops must be withdrawn...
     一旦军事行动的必要性不复存在，军队就必须撤出。
  3. Most women, like men, work from economic necessity...
     与男人一样，大部分女人也是出于经济原因而工作。
  4. Some people have to lead stressful lifestyles out of necessity.
     一些人迫于生计不得不过着紧张忙碌的生活。
• N-COUNT 必需品;必不可少的事物
  Anecessityis something that you must have in order to live properly or do something.
  1. Water is a basic necessity of life.
     生命离不开水。
  2. ...food, fuel and other daily necessities.
     食物、燃料和其他日常必需品
• N-COUNT 不可避免的情况(或行动)
  A situation or action that is anecessityis necessary and cannot be avoided.
  1. The President pleaded that strong rule from the centre was a regrettable, but temporary necessity.
     总统辩解说，实行高度的中央集权虽不尽如人意，但暂时来说却是必要的。

英英释义

noun

• anything indispensable
  1. food and shelter are necessities of life
  2. the essentials of the good life
  3. allow farmers to buy their requirements under favorable conditions
  4. a place where the requisites of water fuel and fodder can be obtained
  Synonym:essentialrequirementrequisitenecessary
• the condition of being essential or indispensable

双语例句

• Mr Casey said he could see no necessity to add any rider on the use of firearms by police
  凯西先生说他觉得没有必要增加任何有关警察使用枪支的附加条款。
• The violence of the revolutionary years was justifiable on the grounds of political necessity.
  出于政治需要，革命年代的暴力行为是情有可原的。
• Roden had already constructed a rude cabin for himself and his family in case of necessity.
  罗登已为自己和家人搭好了一个简陋的小木屋，以备不时之需。
• Among them, the user demand analysis elaborated develops this system the reason, the significance and the necessity;
  其中，用户需求分析阐述了开发本系统的原因、意义及必要性；
• The unbalance of Chinese social development leads to the necessity and urgence of the reform of census register system.
  中国社会发展的失衡性导致了户口迁移制度改革的必要性和紧迫性。
• The feasibility and necessity of Reverse Osmosis in drinking water preparation are discussed in this paper.
  论述了应用反渗透方法净化饮用水的必要性和可能性。
• As soon as the necessity for action is over the troops must be withdrawn
  一旦军事行动的必要性不复存在，军队就必须撤出。
• The necessity and importance of studying the modernization of Chinese medicine are discussed.
  论述了中医现代化研究的必要性和重要性。
• This article discusses its necessity, content and approaches.
  本文论述了其必要性、教育内容及方法途径。
• Necessity is a hard dart.
  情急智生。