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

• Attach this script to an existing particle system.
  将这个脚本赋予一个存在的粒子系统。
• This particle has a very small mass.
  这种粒子的质量很小。
• 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。
• 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。
• 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。
• Effects of different particle sizes of bamboo flour on mechanical properties of the composites were studied.
  研究了不同粒径竹粉对复合材料力学性能的影响。
• The influences of emulsifiers and functional monomers on the particle size and particle size distribution of nano-particles were discussed.
  研究了乳化剂、能单体对纳米粒子的粒径及其分布的影响。
• A neutron is simply a neutral particle in the nucleus of an atom.
  中子就是原子核里不带电的粒子。
• 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。
• 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。