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

• A proton is an elementary particle of matter.
  质子是物质的基本粒子。
• Electrons or any other "particle" should display wave properties to preserve the complementary wave-particle symmetry of nature.
  电子及其他任何粒子都应该显示波的性质，才能体现自然界波粒互补的对称性。
• I created a Particle Source.
  我创建了一个粒子源。
• The emissivity of condensed-phase product particles was corrected by using impact factor of particle size.
  利用粒径影响因子对闪光剂燃烧产物中凝聚相粒子的发射率进行了修正。
• As in the particle in a box, it is the boundary conditions that force us to quantize the energy.
  像在箱中粒子那样，边界条件迫使我们使能量量子化。
• 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。
• Today many radioisotopes are produced using the particle accelerator called a cyclotron.
  今天许多放射性同位素是用被称为回旋加速器的粒子加速器来制造的。
• Filter layer in sewage scattered particle size, is fit between them.
  滤层粒径与污水中分散颗粒，它们之间是相吻合的。
• 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。
• Removes all particles from the particle system.
  从粒子系统中移除所有粒子。