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 machine automatically downloads the required information to his or her fax.
  机器能自动将需要的信息下载到传真机上。
• 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。
• For a self-regulatory system to work, the consent of all those involved is required.
  一个自我管理的体制要运作起来，必须得到所有相关人员的一致认可。
• Those who had decided to remain neutral in the struggle now found themselves required to take sides.
  那些先前决定在争斗中保持中立的人现在发现他们需要表明立场了。
• 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。
• Councils were required to compile a register of all adults living in their areas
  各地政务委员会被要求编制一份该地区成年居民的名册。
• 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。
• 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 project required the total demolition of the old bridge
  该项目要求将老桥完全拆毁。
• 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。