英 [ˈjuːsf(ə)l] 美 [ˈjuːsf(ə)l]
adj. 有用的，有益的；<英，非正式>好的，熟练的
比较级more useful
最高级most useful
useful /ˈjuːsfʊl/ CET4 TEM4
形容词 If something is useful, you can use it to do something or to help you in some way. 有用的
The pressure cooker is very useful for people who go out all day.
压力锅对整天外出的人非常有用。
Hypnotherapy can be useful in helping you give up smoking.
催眠疗法在帮助你戒烟方面可能有用。
副词 有用地
...the problems to which computers could be usefully applied.
…可以应用计算机来解决的问题。
习语 If an object or skill comes in useful, it can help you achieve something in a particular situation. 有用
Extra blank paper will probably come in useful.
额外的空白纸可能用得着。
being of use or service
the girl felt motherly and useful ; a useful job ; a useful member of society
同义词： utile
having a useful function
同义词： utilitarian
经世致用-引用次数：2
参考来源论苏辙诗文创作与北宋党争
有用的
有用的(useful)是指审计证据能够帮助组织实现其目标。组织的最终目标就是要为组织所有者、其他股东们、客户、顾客等创造价值。
...来这三年来罗纳尔迪尼奥(Godinho)基本不像是个球员，但是倘若他不妨重返三年前的状态的话坚信将会是对任何球队都大为有益(Useful)的球员，这点毋庸置疑。别总是让她打电话来，她也需要被重视的感觉。
... Software 音频 Useful 软碟通软体 Runtime 硬碟软体 ...
和在表示图中一样,MoreUseful（更有效的）对Useful（有效的）的接口举行了扩大.但由于它是担当来的,所以也能上溯造型到一个Useful.
usage 使用；用法；惯例
use 使用；用途；发挥
using 使用；利用
user 用户；使用者
usefulness 有用；有效性；有益
usability 合用，可用；可用性
usableness 可用；使用方便
uselessness 无用，无效
use 使用，运用
use 利用；耗费
有用的，有益的；有帮助的
helpful / beneficial / advantageous / conducive / assistant
He offered some useful advice.
他提出了一些有益的建议。
Photos make useful teaching aids.
照片可以成为有用的教具。
My mobile phone is extremely useful.
我的手机极为有用。
Theodore Roosevelt, who later became president of the United States, called Riis the most useful citizen in New York City.
VOA : special.2010.08.01
These two relations involving entropy are also useful because they'll let us see how entropy depends on volume and pressure.
这两个涉及熵的关系也非常有用,因为他们告诉我们,熵和体积，压强的关系。
热力学与动力学课程节选 : 麻省理工公开课
You will find this pattern very useful anytime you're not feeling happy about something and you want to express yourself.
你会发现，当你因为什么事感到低落，你想表达自己的感觉时，这个句型特别有用。
SpeakingMax英语口语达人 : I get so upset 课堂
"When those products are at the end of their useful life, how are they going to be broken down?
VOA : special.2010.01.08
They created Pedal People as a way to create a useful service that helps the local economy and is environmentally friendly.
VOA : special.2009.12.04
Scouring stores for a useful toy, the father became as frustrated as his son.
Despite the introduction of cars, the most useful motorised vehicle in Finnish Lapland is the skimobile.
His footballing skills were useful again just after the break as he controlled a kick-through to score.
useful英音：['ju:sfəl]美音：['jusfəl]