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

• Use an advanced laser measuring system to inspect position accuracy, pith, and backlash compensation of machine body.
  运用先进的高科技雷射量测系统来检测机台的定位精度、螺距及背隙补偿。
• Using a sharp knife, cut away the pith and peel from both fruits
  用一把锋利的刀削去两种水果的外皮和中果皮。
• In the eyes of the anatomical structure of stem, it would be a chief measure to suppress the differentiation of vessel lumen and pith cavity for harnessing the overrun of the species.
  从茎的结构上看，治理该种应以限制其导管腔和髓腔分化为主要手段。
• The pith of sunflowers is a kind of natural cellular material.
  向日葵髓芯是一种天然的高分子泡沫材料。
• Both the rubber and the pith ball are negatively charged.
  这时，橡胶棒和木髓球两者都带负电荷。
• 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。
• The preparation process of new packaging material with bagasse pith as raw material and spent pulping liquor as adhesive was studied.
  研究了以蔗髓为原料，以酸法制浆废液为胶粘剂制备新型包装材料的工艺。
• 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。
• 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。
• 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。