particle

英 [ˈpɑːtɪkl]

美 [ˈpɑːrtɪkl]

n.  颗粒; 微粒; 粒子; 小品词(与动词构成短语动词的副词或介词)

复数：particles　

CET4CET6考研TOEFLIELTSTEM4TEM8化学

Collins.2 / BNC.3155 / COCA.3683

牛津词典

noun

• 颗粒；微粒
  a very small piece of sth
  1. particles of dust
     灰尘
  2. dust particles
     尘埃
  3. There was not a particle of evidence (= no evidence at all) to support the case.
     没有丝毫支持这个论点的证据。
• 粒子
  a very small piece of matter, such as an electron or proton , that is part of an atom
• 小品词（与动词构成短语动词的副词或介词）
  an adverb or a preposition that can combine with a verb to make a phrasal verb
  1. In ‘She tore up the letter’, the word ‘up’ is a particle.
     在She tore up the letter句中，up是小品词。

柯林斯词典

• N-COUNT 微粒；极小量
  Aparticle ofsomething is a very small piece or amount of it.
  1. ...a particle of hot metal...
     热金属微粒
  2. There is a particle of truth in his statement.
     他的陈述中有一点点实话。
  3. ...food particles.
     食物微粒
• 粒子
  In physics, aparticleis a piece of matter smaller than an atom, for example an electron or a proton.
• （语法中的）小品词
  In grammar, aparticleis a preposition such as 'into' or an adverb such as 'out' which can combine with a verb to form a phrasal verb.

英英释义

noun

• a function word that can be used in English to form phrasal verbs
• a body having finite mass and internal structure but negligible dimensions
  Synonym:subatomic particle
• (nontechnical usage) a tiny piece of anything
  Synonym:atommoleculecorpusclemotespeck

双语例句

• There is a particle of truth in his statement.
  他的陈述中有一点点实话。
• A new method of public traffic line network optimization is presented by particle swarm algorithm.
  针对公交线网优化问题，利用粒子群算法进行了研究。
• The shape coefficient and friction coefficient are used to reflect the characteristics of particle outline and surface roughness respectively.
  用形状系数与粒间摩擦因数分别反映颗粒的外轮廓特征和表面粗糙度。
• This is the scattered particle.
  这就是散射粒子。
• The influence factors of particle breakage of carbon black were investigated based on the test of dense phase conveying.
  在炭黑密相气力输送试验的基础上，考察了输送后炭黑粒子的破碎率，研究了影响其破碎率的主要因素。
• The treatment of precipitates and the calcination process could affect the particle size distribution and appearance density.
  对沉淀物的处理和烧结过程的控制将会影响到粒子的尺度分布和表观比重。
• I created a Particle Source.
  我创建了一个粒子源。
• Based on the light scattering principle, a novel method for particle size analysis is presented in this paper.
  基于光散射原理，提出了一种新的测量颗粒粒径大小及分布的方法。
• The reasons of premature convergence of Particle Swarm Optimization ( PSO) Algorithm were analyzed.
  分析了粒子群优化（PSO）算法易于发生早熟收敛的原因。
• There is not a particle of truth in what you said.
  你所说的没有一句是实话。