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。
• 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。
• Answering these questions will help narrow down a set of domains that you are excited about.
  回答这些问题将有助于缩小自己感兴趣的领域。
• The emergency maintenance periods are to restore stability while we continue to narrow down the cause of the problems.
  周期性的紧急维护阶段是恢复服务器的稳定性，同时我们可以缩小问题产生原因的范围。
• You can enable and disable this trace dynamically, which should help when trying to narrow down a problem.
  可以动态地启用和禁用这种跟踪，在缩小问题范围的时候这样做会有所帮助。
• 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。
• Naturally, it makes sense to narrow down the set of documents first and then evaluate the relevant subset.
  一种合理的做法是先缩小文档集的范围然后再计算相关的子集。
• Sophomore year is a time to narrow down your academic focus and decide on the college major.
  大二要开始缩小学术研究关注的范围，选定大学的主攻专业了。
• 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。
• 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。