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

• 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。
• All the participants were required to sign in as they entered the hall to attend the meeting.
  出席会议的人在进入大厅前均须签到。
• The nuclear industry was required to prove that every operational and safety aspect had been fully researched.
  核工业被要求证明其在运营与安全各方面都进行过充分的研究。
• Water each plant as often as required.
  按要求经常给每一株植物浇水。
• She suffered from anaemia and even required blood transfusions.
  她患有贫血症，甚至需要输血。
• All passengers are required to show [ present] their tickets.
  所有乘客都必须出示车票。
• 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。
• The required technology is probably still two years off.
  所需技术可能还要两年才能开发出来。
• Few ministers have the nous or the instinct required to understand the ramifications
  没有几个大臣具备理解这些后果所需要的理性或直觉。
• 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。