useful

英 [ˈjuːsfl]

美 [ˈjuːsfl]

adj.  有用的; 有益的; 实用的; 有帮助的; 好的; 合格的

中考高考CET4CET6考研IELTS机械

Oxford 3000 / Collins.4 / BNC.986 / COCA.2026

牛津词典

adj.

• 有用的；有益的；实用的；有帮助的
  that can help you to do or achieve what you want
  1. a useful gadget
     有用的小器具
  2. It can be useful to write a short summary of your argument first.
     先把你的论点纲要写下来可能会有帮助。
  3. He might be useful to us.
     我们也许用得上他。
  4. These plants are particularly useful for brightening up shady areas.
     这些植物特别有助于让背光的地方明亮起来。
  5. Don't just sit watching television─ make yourself useful !
     别光坐着看电视——帮一下忙吧！
  6. This information could prove useful .
     这条信息往后也许有用。
  7. Your knowledge of German may come in useful (= be useful in a particular situation) .
     你的德文知识可能会派上用场。
  8. Some products can be recycled at the end of their useful life.
     有些产品过了有效使用年限后是可以回收再利用的。
• 好的；合格的
  good; of the right standard
  1. He's a very useful player.
     他是个很棒的运动员。

柯林斯词典

• ADJ-GRADED 有用的；可用的；有助益的
  If something isuseful, you can use it to do something or to help you in some way.
  1. The slow cooker is very useful for people who go out all day...
     慢炖锅对于整天都不在家的人来说很有用。
  2. Hypnotherapy can be useful in helping you give up smoking...
     催眠疗法可能有助于你戒烟。
  3. The police gained a great deal of useful information about the organization.
     警方收集到了大量关于该组织的有用信息。
• PHRASE 有用；派得上用场
  If an object or skillcomes in useful, it can help you achieve something in a particular situation.
  1. The accommodation is some distance from the clubhouse, so a hire car comes in useful.
     住处离会所有一段距离，所以租一辆车会很有用。

英英释义

adj

• having a useful function
  1. utilitarian steel tables
  Synonym:utilitarian
• being of use or service
  1. the girl felt motherly and useful
  2. a useful job
  3. a useful member of society
  Synonym:utile

双语例句

• HDTV is especially useful if there are a lot of special effects.
  有很多特效的时候，高清电视就格外有用了。
• Year by year a few of these slang terms prove so useful that they graduate into respectable society.
  年复一年，这些俚语中的一些证明是十分有用的，因而逐渐进入了上流社会。
• All of these are quite useful breeds whose potentiality has not been realised.
  所有这些都是十分有用的品种，其潜力还没有被完全发挥。
• The Shakers believed that furniture should be plain, simple, useful, practical and of sound construction
  震颤派教徒认为家具应当朴素、简单、有用、实用，并且结构合理。
• My mobile phone is extremely useful
  我的手机非常有用。
• The police gained a great deal of useful information about the organization.
  警方收集到了大量关于该组织的有用信息。
• This new dictionary is very useful [ helpful] to me.
  对我来说这本新词典很顶事。
• If you're converting your loft, these addresses will be useful.
  你要是打算改造阁楼，这些地址会派上用场。
• This accident affords us a useful lesson.
  这个事故为我们提供了有益的教训。
• Alternative treatments can provide a useful back-up to conventional treatment.
  替代疗法能为传统的治疗提供有效的辅助。