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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
      1. 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.
        1. (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
            1. a body having finite mass and internal structure but negligible dimensions
                Synonym:subatomic particle
              1. (nontechnical usage) a tiny piece of anything
                  Synonym:atommoleculecorpusclemotespeck

                双语例句

                • 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。
                • 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。
                • 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。
                • A proton is an elementary particle of matter.
                  质子是物质的基本粒子。
                • Removes all particles from the particle system.
                  从粒子系统中移除所有粒子。
                • 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。
                • There is not a particle of truth in what you said.
                  你所说的没有一句是实话。
                • 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。
                • On entry into a cell, the virus particle uncoats.
                  进入细胞后,病毒颗粒就打开它的外壳。