nub

英 [nʌb]

美 [nʌb]

n.  中心; 要点; 实质

复数：nubs　

BNC.20916 / COCA.21059

牛津词典

noun

• 中心；要点；实质
  the central or essential point of a situation, problem, etc.
  1. The nub of the matter is that business is declining.
     事情的实质是工商业在萎缩。

柯林斯词典

• N-SING (局势、问题或争论的)要害，核心，要点
  The nubof a situation, problem, or argument is the central and most basic part of it.
  1. That, I think, is the nub of the problem...
     我想那才是问题的要害。
  2. Here we reach the nub of the argument.
     现在我们谈到了争论的核心部分。

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 soulinwardnessmarrowmeatpithsumnitty-gritty
• a small piece
  1. a nub of coal
  2. a stub of a pencil
  Synonym:stub
• a small lump or protuberance
  Synonym:nubble

双语例句

• The worst thing about the wireless mouse has got to be that damn dongle& this tiny little nub hogs up one of the few USB ports on my PC.
  无线鼠标最令人讨厌的地方无外乎那个可恨的接收器，这个小玩意占据了我电脑上为数不多的USB口中的一个。
• Firstly, the thesis designed the system project, aerodynamic configuration, nub and actuator driving device; selected actuator, decelerator, feedback system and central controller.
  论文首先进行了系统方案、气动力布局、舵面及舵传动装置设计，对舵机、减速器、反馈系统及中央控制器进行了选型；
• That some sounds lead to sadness and others to joy is the nub of all three hypotheses.
  有些音乐让人悲伤有些让人快乐是所有三个假设中的要点。
• Regions consist of equal region and nub region and equal region can be divided with the methods of Taisen triangle, trend surface, clustering and so on;
  均质区域可用泰森三角形、趋势面、聚类分析等方法进行区划；
• The nub of the problem is our poor export performance.
  问题的关键是我们出口贸易方面太差。
• The nub of the matter is that business is declining.
  事情的实质是工商业在萎缩。
• The nub of the problem is how to bring this ideal into practice.
  问题的要点在于如何将这种理想情况投入实际应用。
• The indirect sign of PE were as follows: the abnormal signals and pour defects were found in the lung field of PE, the dilatation of the nub of obstructed pulmonary artery.
  间接征象为栓塞区肺野信号异常、灌注缺损、肺动脉截断残端血管增粗。
• The nub of the story is that a global savings glut is confronting a shortage of safe assets.
  问题的要害在于，全球过剩的储蓄正遭遇安全资产短缺。
• The track of boundary points of nub regions is a circularity and nub region can be divided with the model of breakpoints combined with exercising on map.
  结节区域之间的分界点轨迹从理论上说是一个圆，在现实中可以用断裂点模型和图上作业相结合的方法进行区划。