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particle

noun
🔊/ˈpɑːtɪkl/
🔊/ˈpɑːrtɪkl/
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  1. a very small piece of something颗粒；微粒
    • particles of dust/gold灰尘；金屑
    • dust/gold particles灰尘/金颗粒
    • There was not a particle of evidence (= no evidence at all) to support the case.没有丝毫证据支持这个论点。
    see also alpha particle, beta particle, elementary particle, subatomic particleTopics Physics and chemistryc1
  2. (grammar语法) an adverb or a preposition that can combine with a verb to make a phrasal verb小品词（与动词构成短语动词的副词或介词）
    • 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。🔊🔊
    see also adverbial particleTopics Languageb2
    3. Word Originlate Middle English: from Latin particula ‘little part’, diminutive of pars, part-.