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

• Most of the above points would narrow down to strong lack of communication and uninspiring ambience of the workplace.
  上面大多数问题都会归结到缺乏沟通和气氛压抑的工作环境之上。
• 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。
• If you can narrow down this list, you should.
  如果可以缩减列表，应该尽量缩减。
• 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。
• We're working to narrow down the list of possible suspects.
  我们正努力缩小嫌疑犯的范围。
• 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。
• 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。
• I cannot narrow down the rules for this game.
  我不能限制这场比赛的规则。
• Then we make mood boards and narrow down and change our mind.
  然后我们做情绪板，缩小范围，进行修改。
• 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。