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

• They are just able to narrow down the scope.
  只能把范围缩小一点而已。
• This is how voters narrow down that field from a bunch of candidates to eventually just one.
  这就是如何从许多候选人中逐渐缩小范围直到最后剩下一个赢家的过程。
• I cannot narrow down the rules for this game.
  我不能限制这场比赛的规则。
• We're working to narrow down the list of possible suspects.
  我们正努力缩小嫌疑犯的范围。
• Of course, you still select the brand if you know it to narrow down the product list.
  当然，如果您知道产品品牌，则仍可以选择该品牌来缩小产品列表范围。
• 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。
• We cannot assume that everybody will watch the game, we have to narrow down the major characteristics of our target audience.
  我们不能设想每个人都观看比赛，我们必须缩小目标受众的主要特点。
• If you can narrow down this list, you should.
  如果可以缩减列表，应该尽量缩减。
• 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。
• 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。