narrow down

英 [ˈnærəʊ daʊn]

美 [ˈnæroʊ daʊn]

缩减; 压缩; 减小

柯林斯词典

• PHRASAL VERB 缩减;压缩;减小
  If younarrow downa range of things, you reduce the number of things included in it.
  1. What's happened is that the new results narrow down the possibilities...
     现有的情况是，新的结果缩小了可能性的范围。
  2. I've managed to narrow the list down to twenty-three.
     我已设法把清单上的项目压缩到了23项。

英英释义

verb

• become more focus on an area of activity or field of study
  1. She specializes in Near Eastern history
  Synonym:specializespecialisenarrow
• define clearly
  1. I cannot narrow down the rules for this game
  Synonym:pin downpeg downnail downnarrowspecify

双语例句

• Once the nearest marker has been found, techniques based on the mapping of chromosomes may be used to narrow down the location of the gene.
  一旦找到了最近的标记，基于染色体作图技术，可以用于紧接着的下一个基因的位点的测定。
• The other two boxes are lists of properties ( author and tag, respectively) the user can select to narrow down the entries to only those that match.
  另外两个框是属性列表（分别为作者和标记），用户可以对其进行选择，以便将输入进一步缩小范围到只包括匹配的那些。
• Narrow down your activities to one or two to keep things in check.
  控制一下，把你的活动压缩到一两项。
• If you can narrow down this list, you should.
  如果可以缩减列表，应该尽量缩减。
• In such a situation, the first step is to narrow down the root cause of the memory leak to one or a few components.
  在这种情况下，第一个步骤是将内存泄漏的根源限制到一个或几个组件。
• However, there are some key points in a JCC trace that we will discuss later that will help you to narrow down a problem.
  然而，JCC跟踪中还是有几个关键的地方值得我们在后面加以讨论，它们有助于缩小问题的范围。
• Finally, Exhibit offers facets, a set of tools to help users search and narrow down the data to find what they need.
  最后，Exhibit提供了facet，这是一组工具，可用来帮助用户搜索和缩小搜索范围以便找到他们所需的数据。
• They are just able to narrow down the scope.
  只能把范围缩小一点而已。
• Used effectively, these tools will help you narrow down performance issues and help pinpoint root causes.
  有效的使用这些工具将帮助您减少性能问题，并且也能帮您查明根本原因。
• Meantime, I'm gonna narrow down that list.
  这其间，我会缩小名单范围。