winnow

英 [ˈwɪnəʊ]

美 [ˈwɪnoʊ]

v.  簸，扬，风选(以去掉谷壳)

现在分词：winnowing　过去分词：winnowed　第三人称单数：winnows　过去式：winnowed　

GRE

BNC.37778 / COCA.21960

短语动词

短语用例

winnow sb/sth out (of sth)

• 筛选；遴选；选拔
  to remove people or things from a group so that only the best ones are left

牛津词典

verb

• 簸，扬，风选（以去掉谷壳）
  to blow air through grain in order to remove its outer covering (called the chaff )

柯林斯词典

• VERB 筛选;遴选
  If youwinnowa group of things or people, you reduce its size by separating the ones that are useful or relevant from the ones that are not.
  1. Administration officials have winnowed the list of candidates to three.
     行政官员将候选名单筛减至3人。

英英释义

noun

• the act of separating grain from chaff
  1. the winnowing was done by women
  Synonym:winnowingsifting

verb

• blow away or off with a current of air
  1. winnow chaff
• select desirable parts from a group or list
  1. cull out the interesting letters from the poet's correspondence
  2. winnow the finalists from the long list of applicants
  Synonym:cull out
• separate the chaff from by using air currents
  1. She stood there winnowing chaff all day in the field
  Synonym:fan
• blow on
  1. The wind was winnowing her hair
  2. the wind winnowed the grass

双语例句

• A building for storing threshed grain. winnow the husks from the corn
  谷仓储存脱粒后的谷物的建筑物
• Study on spam filters based on Winnow algorithm
  基于Winnow算法的垃圾邮件过滤器研究
• But throught practice one can tell the true from the false. winnow truth from falsehood
  通过实践我们即可区别真伪。去伪存真，辨别真假
• Both positive Winnow and balanced Winnow were realized in this system and after test balanced Winnow was found superior to positive Winnow.
  在本系统中，分别实现了最基本的Winnow和BalancedWinnow，经测试发现BalancedWinnow的性能要优于最基本的Winnow。
• Both of the algorithms need appropriate feature selection. When two words around an entity were selected, the performance of the both algorithms got the peak. The average weighted F-Score of Winnow and SVM algorithms were 73.08% and 73.27% separately.
  两种算法都进行适当的特征选择，当选择每个实体的左右两个词为特征时，达到最好的抽取效果，Winnow和SVM算法的加权平均F-Score分别为73.08%和73.27%。
• Due to the huge gap between the quota and actual applications, immigration officers had to hold a random drawing to winnow down the applications.
  由于配额和实际申请之间的巨大差距，移民局官员只得采用随机抽取的方法来筛选众多的申请。
• Objective To winnow and establish the optimal condition for ultrasonic extraction of total flavone from christina loosestrife herb.
  目的优选并确立金钱草总黄酮的最佳超声提取条件。
• The new X prize is designed to winnow the genetic wheat from the chaff.
  新设立的这个X奖是为了在茫茫基因大漠中“披沙拣金”。
• Administration officials have winnowed the list of candidates to three.
  行政官员将候选名单筛减至3人。
• The Winnow algorithm used in our system is described in detail and a set of experiments is carried out to verify its effect.
  文中详细描述了在我们的过滤系统中所使用的Winnow算法以及所进行的一系列证实其有效性的实验。