chaff

英 [tʃɑːf]

美 [tʃæf]

n.  谷壳; 糠; (作为牛饲料的)麦秸，干草
v.  (友善地)开玩笑，取笑，打趣

现在分词：chaffing　过去式：chaffed　过去分词：chaffed　复数：chaffs　第三人称单数：chaffs　

GRE

BNC.23677 / COCA.25449

习惯用语

n.

sort out/separate the wheat from the chaff
• 识别优劣；分清好坏；去芜存菁
  to distinguish useful or valuable people or things from ones that are not useful or have no value

牛津词典

noun

• 谷壳；糠
  the outer covering of the seeds of grain such as wheat , which is separated from the grain before it is eaten
• （作为牛饲料的）麦秸，干草
  straw (= dried stems of wheat ) and hay (= dried grass) cut up as food for cows

verb

• （友善地）开玩笑，取笑，打趣
  to make jokes about sb in a friendly way

柯林斯词典

• 谷糠;麸皮
  Chaffis the outer part of grain such as wheat. It is removed before the grain is used as food.
• PHRASE 分清良莠;去芜存菁
  If youseparate the wheat from the chafforsort the wheat from the chaff, you decide which people or things in a group are good or important and which are not.
  1. It isn't always easy to separate the wheat from the chaff.
     分清良莠并不总是很容易。

英英释义

noun

• foil in thin strips
• material consisting of seed coverings and small pieces of stem or leaves that have been separated from the seeds
  Synonym:huskshuckstalkstrawstubble

verb

• be silly or tease one another
  1. After we relaxed, we just kidded around
  Synonym:kidjollyjoshbanter

双语例句

• In order to improve the efficiency and precision of the radar cross section computation, a scattering model of the layered complex multi chaff clouds is presented in this paper.
  为了提高计算复杂多发箔条云团的雷达散射截面的精度和效率，提出了一种基于分层结构的复杂多发箔条云团散射模型。
• The Study on Spectral Properties of Millimeterwave Metallic Chaff Echo Signal
  毫米波金属箔条回波信号的频谱特性研究
• Will you torment a windblown leaf? Will you chase after dry chaff?
  你要惊动被风吹的叶子吗？要追赶枯干的碎秸吗？
• Fish is too clever to be caught with chaff.
  鱼太聪明了，是不能用糠饵钓得到的。
• While the grains were being pounded, the girls brushed away the husks and chaff.
  姑娘们趁舂谷的时候，把壳和糠拂掉。
• Research on Fungus Chaff's Impact on the Soil Microbe Flora in the Greenhouse
  菌糠对保护地土壤微生物区系影响的研究
• In basic framework of total system, signal stage, isomorphic simulation for centroid chaff countering anti-ship missile terminal guidance radar, models of warship were researched.
  在全系统的、信号级的、同构的仿真研究基本框架下，从研究针对反舰导弹末制导雷达的质心式箔条干扰的目的出发，对目标舰的有关模型进行了研究。
• I expect the actors to sift the wheat from the chaff and to know when I suggest good ideas.
  我期待演员们能分清良莠，在我提出好的建议时心里能明白。
• Research into The Jamming Efficiency of Corridor Chaff to MTI Radar
  箔条走廊对MTI雷达的干扰效能研究
• A New Method for Measuring the Time Property of the Airborne Chaff Cloud RCS
  一种测量机载箔条云RCS时间特性的新方法