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词根cid、cis-考研英语词汇常考词根汇总

考研英语词汇常考词根汇

cid,cis=cut,kill,表示切开,杀

  decide 决定,决心(de加强+cide切切下去下决心)

  homicide 杀人(homi人+cide)

  insecticide 杀虫剂(insect昆虫+cide)

  suicide 自杀(sui自己+cide)

  pesticide 杀虫剂(pest害虫+cide)

  circumcise 行割礼,割包皮

  concise 简明的

  decision 决心,决议(decide的名词)

  excise 割去,删去(ex出+cise)

  excision 删除,灭绝(excise+ion)

  incisive 一针见血的,锐利的(incise+ive切人的一针见血的)

  incisor 门牙(incise+or切东西的东西门牙)

  precise 精确的,清楚的(pre预先+cise预先切好精确的)

  precision 精密,正确