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- particles of dust
灰尘 - dust particles
尘埃 - 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。
- particles of dust
- 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- 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。
- In ‘She tore up the letter’, the word ‘up’ is a particle.
柯林斯词典
- N-COUNT 微粒;极小量
Aparticle ofsomething is a very small piece or amount of it.- ...a particle of hot metal...
热金属微粒 - There is a particle of truth in his statement.
他的陈述中有一点点实话。 - ...food particles.
食物微粒
- ...a particle of hot metal...
- 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
- (nontechnical usage) a tiny piece of anything
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。 - 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。 - We have prepared a tutorial to help you learn how to identify particle tracks and use the VM.
我们准备了一个指南来帮助你学习如何用VM识别微粒的轨迹。 - 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。 - 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。 - A proton is an elementary particle of matter.
质子是物质的基本粒子。 - 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。 - 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。 - In this paper, a modified particle swarm optimization method is proposed.
提出了改进的粒子群优化算法。