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

• Astronomers have suspected for more than a decade that supernova shock waves can act like giant particle accelerators.
  十多年以来，天文学家们一直在猜想，超新星激波可以充当巨型粒子加速器。
• In physics the concept of a noninteracting particle does not exist.
  在物理学的概念里，没有不发生相互作用的粒子。
• Removes all particles from the particle system.
  从粒子系统中移除所有粒子。
• The game application of the particle systems is studied.
  主要研究了粒子系统在游戏中的应用。
• Particle size distribution, microstructure and constitutes of MSWI fly ash were analyzed.
  分析了生活垃圾焚烧飞灰的粒径、微观形貌及组成。
• I created a Particle Source.
  我创建了一个粒子源。
• 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 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。
• 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。
• In this paper, a modified particle swarm optimization method is proposed.
  提出了改进的粒子群优化算法。