chaff

chaff1
[tʃɑːf, tʃaf]
noun
[mass noun]
  1. the husks of corn or other seed separated by winnowing or threshing
    （被风选或脱粒的）粗糠，谷壳
    ■chopped hay and straw used as fodder
    （切碎作饲料的）干草，草料
    ■(figurative)worthless things; rubbish
    (喻)废物；垃圾
    ■strips of metal foil released in the atmosphere from aircraft, or deployed as missiles, to obstruct radar detection
    （干扰雷达用的）金属箔片
常用词组
separate (或 sort) the wheat from the chaff
  1. distinguish valuable people or things from worthless ones
    去芜存菁，区分好坏
派生
chaffy
adjective
语源
  1. Old English cæf, ceaf, probably from a Germanic base meaning 'gnaw'; related to Dutch kaf, also to chafer
chaff2
[tʃɑːf, tʃaf]
noun
  1. [mass noun]light-hearted joking; banter
    玩笑；戏弄
verb
  1. [with obj.]tease
    揶揄，戏弄
语源
  1. early 19th cent.: perhaps from chafe
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