required

英 [rɪˈkwaɪəd]

美 [rɪˈkwaɪərd]

v.  需要; 依靠; 依赖; 使做(某事); 使拥有(某物); (尤指根据法规)规定
require的过去分词和过去式

过去分词：required　过去式：required　

BNC.3534 / COCA.4463

柯林斯词典

• VERB 需要;有赖于
  If yourequiresomething or if somethingis required, you need it or it is necessary.
  1. If you require further information, you should consult the registrar...
     如果需要进一步了解信息，请咨询教务主任。
  2. This isn't the kind of crisis that requires us to drop everything else...
     这样的危机并不需要我们抛弃其他的一切。
  3. Some of the materials required for this technique may be difficult to obtain.
     这项技术需要的某些材料可能很难获取。
• VERB 要求;命令;规定
  If a law or rulerequiresyoutodo something, you have to do it.
  1. The rules also require employers to provide safety training...
     这些规定还要求雇主提供安全培训。
  2. At least 35 manufacturers have flouted a law requiring prompt reporting of such malfunctions...
     至少有35名制造商触犯了要求此类故障出现后立即上报的法律。
  3. The law now requires that parents serve on the committees that plan and evaluate school programs...
     现在，法律要求家长在规划和评估学校项目的委员会中任职。
  4. Then he'll know exactly what's required of him.
     到那时他就会确切地知道对他的要求是什么了。
• PHRASE 必读的
  If you say that something isrequired readingfor a particular group of people, you mean that you think it is essential for them to read it because it will give them information which they should have.
  1. ...an important research study that should be required reading for every member of the cabinet.
     每一位内阁成员都应阅读的一份重要研究论文

英英释义

adj

• required by rule
  1. in most schools physical education is compulsory
  2. attendance is mandatory
  3. required reading
  Synonym:compulsorymandatory
• necessary for relief or supply
  1. provided them with all things needful
  Synonym:neededneedfulrequisite

双语例句

• They seem to move the goal posts every time I meet the conditions which are required.
  好像每当我达到规定条件时，他们就改变规则。
• At the required level of visual verisimilitude, computer animation is costly.
  要使电脑动画的视觉效果达到要求的逼真程度，花费会十分昂贵。
• A job analysis should also include what skills and personal qualities are required.
  工作岗位分析也应当包括必备技能与个人素质。
• If you want good relationships, you must have the confidence to be self-assertive when required.
  如果想要发展成功的关系，在需要的时候必须有自信拿出主见。
• Forster established the essentiality of minerals as accessory food factors required for maintaining life.
  福斯特证实了矿物质作为辅助食物因子在维持生命方面的重要性。
• She suffered from anaemia and even required blood transfusions.
  她患有贫血症，甚至需要输血。
• It was exacting work and required all his patience.
  工作很艰巨，需要他有极大的耐心。
• The project required the total demolition of the old bridge
  该项目要求将老桥完全拆毁。
• The cafe owner has put up the required 'no smoking' signs, but thinks his responsibility stops there
  咖啡馆老板已经按规定贴上了“禁止吸烟”的标志，但是他认为自己的责任就止于此。
• He had kindly offered to loan us all the plants required for the exhibit
  他善解人意地提出愿意把展览需要的植物通通借给我们。