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

• 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
• Text Filtering Based on Winnow Algorithm
  基于Winnow算法的文本过滤
• In this paper, we describe the regularized Winnow algorithm for Chinese named entity recognition. The experiment results for a large corpus are presented.
  本文针对中文的命名实体识别问题，描述了正则化Winnow算法，并给出了基于较大规模语料库的实验结果。
• 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。
• Winnow truth from falsehood Does anybody know how to identify the new ID card? Reply in Chinese is also OK! Thanks!
  是否有人知道如何鉴别第二代身份证真伪，可以用中文，谢谢！
• A Winnow Linear Classifier and Its Application in TREC 2003 Novelty
  一种Winnow线性分类器及其在TRECNovelty任务中的应用
• For the training parameters α,β are vital to the performance of face detector, we present an amended Winnow learning algorithm.
  这个人脸检测方法中，训练参数α、β对于检测器的性能起着至关重要的作用。因此，本文提出了一种修正的Winnow训练算法，这个算法在训练过程中动态计算训练参数α、β。
• Study on spam filters based on Winnow algorithm
  基于Winnow算法的垃圾邮件过滤器研究
• 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 results show that adoption of Winnow has obtained significant improvement in TREC ( Text REtrieval Conference) 2002 filtering track.
  结果显示Winnow分类器的采用在2002年度的TREC（文本检索会议）过滤任务中取得了显著的性能提高。