dead wood

英 [ˌded ˈwʊd]

美 [ˌded ˈwʊd]

n.  冗员; 废物

牛津词典

noun

• 冗员；废物
  people or things that have become useless or unnecessary in an organization

柯林斯词典

• N-UNCOUNT 不再有用的人(或事物);累赘;冗余
  People or things that have been used for a very long time and that are no longer considered to be useful can be referred to asdead wood.
  1. ...the idea that historical linguistics is so much dead wood.
     认为历史语言学完全冗赘无用的观点

双语例句

• Remove ( dead wood, branches, etc) by cutting The land cracked and the springs dried up and the cattle listlessly nibbled dry twings.
  剪去（枯木、枯枝等）土地龟裂，泉水干枯，牛儿无精打采地啃着干树枝。
• He spent all day sawing up the dead wood.
  他花了一天工夫把枯木锯成板材。
• I was dead tired, as you may fancy; and when I got to sleep which was not till after a great deal of tossing, I slept like log of wood.
  我死累死累的，你可以想像得到，在经历了这样一番折腾后，我一倒下便睡得像根木头了。
• The results showed that not only the symptoms on cross sections of the dead elm wood but also the morphology of the fungi were different from those caused by Dutch elm disease.
  从榆木枯萎症状，病菌形态及接种后无死亡现象的结果表明，均与世界流行的荷兰榆病无相似之处。
• Bursaphelenchus xylophilus, B.mucronatus and other nematodes separated from dead pine wood were detected using specific primer pair.
  采用特异引物组合对枯死松树内分离的松材线虫、拟松材线虫及其他线虫进行检测。
• Studies on the technology of processing charcoal for the treatment of dead pine wood
  加工活性炭处理松材线虫病死木技术的研究
• Study on Using Wood-rotting Fungi to Treat Stumps of Dead Wood Caused by PWN ( Bursaphelenchus Xylophilus); The Maine woodsman sits on a stump whose rings number centuries of growth.
  利用木腐菌处理松材线虫病病死树伐桩的研究缅茵州的伐木人坐在一段有数百年年轮的木桩上。
• They are like clear-cutting a forest, not removing dead wood.
  这样做就好比夷平整座森林，而不是砍掉几棵枯树。
• In this paper, burrow, dead knot, slipknot are the most three common wood defects for the study, conducted in-depth research on the wood surface defect pattern recognition method.
  本文主要以木材的死节、活节和虫眼三种常见缺陷为研究对象，对木材的缺陷图像分割和模式识别方法进行了深入的研究。
• Now, a log of dead wood drawn through a forest of legs;
  有时成了一块死木头从森林般的腿丛里拖出。