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

• My mobile phone is extremely useful
  我的手机非常有用。
• 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。
• At the end of this chapter there is a select bibliography of useful books.
  本章末尾列有一份有用的精选书目。
• Brick rubble is useful as the base for paths and patios.
  碎砖石可以用来铺路基和庭院地基。
• I picked up some highly useful old books.
  我偶然得到了几本极为有用的旧书。
• Do not idle about like this and do something useful.
  别再这样闲混下去了，做些有益的事吧！
• This new dictionary is very useful [ helpful] to me.
  对我来说这本新词典很顶事。
• Once our services cease to be useful to them, we're expendable
  一旦我们的服务对他们不再有用，我们就可能被抛弃。
• The book includes some useful facts about animal and plant life.
  这本书包括了有关动植物的一些有用的知识。
• All of our cultural heritage which is useful should be inherited, but in a critical way.
  凡属我国文化遗产中有用的东西，都应当批判地继承。