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

• If this was what his job required, then the job wasn't really worth having
  如果这是他的工作所需，那么这份工作真的不值得去做。
• Some solid evidence was what was required
  需要的是一些确凿的证据。
• 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。
• 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。
• Commercial vehicles, coaches and lorries are required by law to be fitted with tachographs.
  法律规定商用车辆、长途汽车和卡车要安装转速计。
• 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。
• 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。
• 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。
• We were only able to make a rough estimate of how much fuel would be required
  我们只能对所需燃料作一个粗略的估计。