useful英音:['ju:sfəl]美音:['jusfəl]
...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。
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Useful numbers 常用电话号码 ; 常用电话 ; 经常使用电话号头 ; 常用德律风号码
useful quantity 较大的数量 ; 有效量
useful resistance 有益阻力
useful power [电] 有效功率 ; 有效能量 ; 有用功率 ; 有效放大倍率
useful work [机] [物] 有用功 ; 有效功 ; 讨论
be very useful at 精通 ; 精晓
Expected useful life 估计运用年限
estimated useful life 估计使用年期 ; 估计使用年限 ; 估量应用年期 ; 使用年限
Useful Expressions 常用短语 ; 常用语 ; 常用表达
"the girl felt motherly and useful"; "a useful job"; "a useful member of society"
同义词: utile
同义词: utilitarian
以上来源于: WordNet
ADJ 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。
usefully ADV 有用地 [ADV with v]
...the problems to which computers could be usefully applied.
…可以应用计算机来解决的问题。
PHRASE 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。
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。
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。
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