pith是什么意思？

pith

英[pɪθ] 美[pɪθ]

• n. 精力，（木）髓，（争论、思想等）核心，橙子等外皮之下的海绵层；
• vt. 杀死，使瘫痪，除去…中的髓；

复数：piths;

第三人称单数：piths;

过去式：pithed;

过去分词：pithed;

现在分词：pithing;

例句

• a man of pith 精力饱满的人
• the pith of a speech 一篇演说的精华
• pith cavity <植>髓孔
• 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.
• 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 her argument 她论据的核心
• Birth later period, cauline stalk lignification, and the pith ministry inside the bine is formed hollow. 生育后期, 茎秆木质化, 而茎内的髓部则形成空心.
• South African cycad ; the farinaceous pith of the fruit used as food. 南非苏铁; 含淀粉的果实可以作为食物.
• The pith of this stemlike stele appears rather strongly like collenchyma tissue. 茎状中柱的髓显得颇强健,像厚角组织.
• 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。

柯林斯高阶英汉双解学习词典释义

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

英汉词典释义

• n.
  (木)髓
  pith cavity <植>髓孔
  (争论、思想等)核心,精髓,要点
  the pith of a speech 一篇演说的精华
  精力, 体力, 力气
  a man of pith 精力饱满的人

英英词典释义

• Noun
  1. soft spongelike central cylinder of the stems of most flowering plants
  2. the choicest or most essential or most vital part of some idea or experience;
  "the gist of the prosecutor's argument""the heart and soul of the Republican Party""the nub of the story"

行业词典

• 医学： 刺毁脑脊髓：刺穿脊髓或脑，见pithing；木髓：树干的软组织，常会消失使树干变成空心；树干和一些树根中心的无色髓质细胞；
  林学： 髓心；
  植物学： 髓，又称：髓(medulla )；