narrow down

听听怎么读

英 [ˈnærəu daun]

美 [ˈnæro daʊn]

是什么意思

释义

（使）变窄，（使）减少，（使）缩小；

英英释义

narrow down

v.
- define clearly
  同义词：pin downpeg downnail downnarrowspecify
- become more special
  同义词：specializespecialisenarrow

学习怎么用

双语例句

Their demands had narrowed down to only two points.
他们的要求已减少到只有两点。
We shall have to prune down our expenditure a bit.
我们有必要把开支减少一些。
I cannot narrow down the rules for this game.
我不能限制这场比赛的规则。
EU clamps down on heavy metal cadmium in batteries.
欧盟限制在电池中使用重金属镉。
In druggy sports it may narrow the gap.
而允许服用兴奋剂则可以缩小这种国家间的差距。
We have narrowed down the list to four candidates.
我们把范围缩小到四位候选者身上。
The river has narrowed down over the past 20 years.
这条河在过去的二十年变窄了许多。
Plaque can narrow your arteries or even block them.
斑块可以令您的动脉变窄，或甚至做成阻塞。

权威例句

Superconductivity theories narrow down
LeakChaser: helping programmers narrow down causes of memory leaks
LeakChaser: helping programmers narrow down causes of memory leaks
The multiple signals assessed by female satin bowerbirds: could they be used to narrow down females' choices of mates?
Flow of simple liquids down narrow ssV grooves.
Simulations of radiation pressure experiments narrow down the energy and momentum of light in matter.
How to narrow down chromosomal breakpoints in small and large derivative chromosomes – a new probe set
JC Virus Genotyping Can Be Used to Narrow down the Native Place of Persons from Urine Stains
Cloning of Antibiotic Biosynthetic Gene clusters from Genomic library by Narrow-down PCR
Shear-generating motions at various length scales and frequencies in the Baltic Sea - an attempt to narrow down the problem of horiz...

同义词

zoom out straiten

n开头的单词