pith

英 [pɪθ]

美 [pɪθ]

n.  (橙子等水果中的)髓; 精髓; 核心; 要点
vt.  杀死; 使瘫痪; 除去…中的髓

现在分词：pithing　过去式：pithed　第三人称单数：piths　过去分词：pithed　

GRE

BNC.25255 / COCA.23670

牛津词典

noun

• （橙子等水果中的）髓
  a soft dry white substance inside the skin of oranges and some other fruits
• 精髓；核心；要点
  the essential or most important part of sth
  1. the pith of her argument
     她论据的核心

柯林斯词典

• （柑橘类水果皮和瓤之间的）衬皮
  The pithof an orange, lemon, or similar fruit is the white substance between the skin and the inside of the fruit.

英英释义

noun

• the choicest or most essential or most vital part of some idea or experience
  1. the gist of the prosecutor's argument
  2. the heart and soul of the Republican Party
  3. the nub of the story
  Synonym:kernelsubstancecorecentercentreessencegistheartheart and soulinwardnessmarrowmeatnubsumnitty-gritty
• soft spongelike central cylinder of the stems of most flowering plants

verb

• remove the pith from (a plant)

双语例句

• A charged pith ball may be used as a test body to determine whether or not a second body is charged.
  一个带电的木髓球可当作一个检验物体，去确定另一个物体是否带电。
• Refined tortoise and turtle tonic paste prepared from a-hundred-year-old pith and marrow is a superfine product promoting longevity.
  提炼百年精髓而制成的龟鳖精补膏，实为长寿精品。
• They are the pith and marrow of a language, from which they are abstracted by constant use and formed into fixed phrases and short sentences.
  习语是语言的浓缩和精华，是人们在长时间的使用中不断经过提炼而成的固定词组和短句。
• The expansion and radial spread of cortex and pith cells are very strong after the mid-dle stage.
  中期以后直至成熟，皮层和髓细胞强烈扩大、径向伸长。
• An extract of the whole fruit including pith, peel and seeds was given to 60 volunteers every day for a month in the form of a capsule.
  研究者每天为60位参与者每人发放一枚石榴胶囊，胶囊里是用整颗石榴榨成的汁（里面包括果核和果皮），坚持服用一个月。
• Strengthen system building is the pith of modern political civilization.
  加强制度建设，是现代政治文明的精髓所在。
• They learn to extract the pith from the spine-defended inedible stem.
  他们学会了在脊柱中取出不能食用的干茎。
• If the borer has been properly located and drilled into the pith, a record of growth and age is obtainable for that position on the tree.
  如果生长锥放的位置适当，钻入木髓即可得到树木那个部位的生长记录和年龄。
• The pith of his speech was focused on the importance of education.
  他演讲的精髓在于着重阐述了教育的重要性。
• He received many teachings of mahamudra, including all the oral pith instructions from the16th karmapa.
  他自第十六世大宝法王处领受了许多大手印法教，包含了所有的口诀心要。