avails

英 [əˈveɪlz]

美 [əˈveɪlz]

n.  效用; 利益; 帮助
v.  有帮助; 有益; 有用
avail的第三人称单数和复数

柯林斯词典

• PHRASE 毫无用处;没效果
  If you do somethingto no availorto little avail, what you do fails to achieve what you want.
  1. His efforts were to no avail...
     他徒劳无功。
  2. I apologized repeatedly, but to little avail.
     我一再道歉，但丝毫没有奏效。
• VERB 接受（提议）；利用（机会）
  If youavail yourself ofan offer or an opportunity, you accept the offer or make use of the opportunity.
  1. Guests should feel at liberty to avail themselves of your facilities.
     宾客们应该可以随意使用你们的各种设施。

双语例句

• The latter avails the former;
  后者本来使用前者；
• The large steric hindrance group avails to the enantioselectivity, but too much steric hindrance reduces the activity.
  大位阻取代基有利于提高对映选择性，但位阻过大降低催化活性。
• He avails himself of every opportunity to get promotion.
  他抓紧每个机会以得到升迁。
• The entity then contacts the Service Server ( SS), uses the ST to prove that it has been authorized to avail the service and avails the service.
  该实体然后联系ServiceServer（SS），使用ST证明自己有权利用服务，然后实际使用服务。
• This thesis hopes that not only these strategies can have the reference value for the researched organization, but also they can have some avails for the other organizations of the same kind.
  论文希望这些策略不仅对被研究机构的发展有参考价值，同时也对其它同类机构的发展有借鉴价值。
• This amelioration not only avails coordinated filtration between groups and concentrative feedback study, but also profits the filtrating performance of mail classifier.
  这种改进不仅有利于组间的协同过滤及集中式的反馈学习，而且有利于提高邮件分类器的过滤性能。
• The paper introduces the instruction of multimedia web courseware making system, realizes the standard expression of courseware material on XML and avails to share and upgrade the courseware material, solutes the synchronization and location of multimedia.
  论文提出了多媒体Web课件制作系统的框架结构；运用XML语言实现课件资源的标准化表示而且利于课件资源的共享和升级；
• The reason of we research the fault sealing of oil and gas fields is to open out the influence of many restricted condition on fault sealing, which avails exploration and exploitation of oil and gas.
  我们研究油气田断层封闭性，是要揭示这多种制约条件对断层封闭性的影响程度，为油气勘探与开发工作服务。
• To control the crimes of "robbery, grab and theft", we should decrease criminal chances, improve the difficulty of crime, increase the cost of crime and lessen the criminal anticipation avails.
  采取减少犯罪机会、加大犯罪难度、增加犯罪成本及降低犯罪预期回报等措施，可以有效控制“两抢一盗”犯罪。
• Exterior investing circumstance avails to establish investing strategy of KandDa Co.
  本文的研究目的是确定重庆康达环保有限公司的投资战略。