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

• If the supplier avails itself of a third party to carry out a performance, the supplier will be held responsible for this third party as for any other person employed in performing an obligation.
  如果供应商用第三方履行某一义务，供应商亦应对该第三方的行为负责，如同对受其雇佣履行义务的任何其他人一样。
• 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。
• Any person who avails himself of the priority of a previous application shall be required to specify the number of that application;
  任何人利用以前提出的一项申请的优先权的，必须写明该申请的号码；
• The paper avails the strong processing function and attributes reduction function of rough set theory to select indexes from traditional financial and non-financial indexes.
  文章将采用粗糙集理论强大的数据处理功能及属性约简功能对传统财务指标和非财务指标进行筛选，实现了原有指标体系基础上的合理删除和增加，使指标体系更为合理。
• Feature point extraction and tracking method is an important contents to studying imaging-based target tracking, and avails to the research on target identification, maneuver detection and so on.
  特征点的提取和跟踪是基于图像的目标跟踪技术研究中的一项重要内容，对目标识别、机动检测等有着重要意义。
• 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。
• To consult to these experiences and lessons avails to us to discuss about the moral issues in the creative course of new orders of socialistic commercial economy.
  借鉴这些经验教训，有益于我们探讨和解决社会主义商品经济新秩序创造过程中的道德问题。
• 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。
• The scholar in our country encompassment the controlling share making use of a controlling power to gain controlling power avails problem has carried out a great quantity studying.
  国内学者围绕控股股东利用控制权获取控制权收益的问题进行了大量研究。