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

• 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。
• Long sticks pith underdevelopment.
  长枝髓心不发达。
• Fishtail palm of India to Malay Peninsula; sap yields a brown sugar ( jaggery) and trunk pith yields sago.
  印度到马来半岛出产的鱼尾状棕榈，；树汁出产一种红糖（棕榈粗），树干的木髓出产西谷米。
• 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。
• 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。
• 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。
• Special subepidermal cells were found to exist beneath the epidermises of H. cordata stems and leaves and secretory cells were found to exist in the cortex and pith of the stems.
  鱼腥草茎和叶的表皮下有特殊的皮下层细胞，茎的皮层和髓中有分泌细胞存在。
• 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。
• 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。
• Law belief: the pith and marrow of law lies in how to combine and use it.
  个人法律信念：法律的精髓在于如何组合和运用！