par·ticleBrE/ˈpɑːtɪkl/NAmE/ˈpɑːrtɪkl/nounaverysmallpieceofsth颗粒;微粒◆particlesofdust/gold灰尘;金屑(physics物理) averysmallpieceofmatter, suchasaphoton, an electron or a proton, thatispartofanatom粒子➡ see alsoalpha particle, elementary particle
(grammar语法) anadverboraprepositionthatcancombinewithaverbtomakeaphrasalverb小品词(与动词构成短语动词的副词或介词)◆In'Shetoreuptheletter', theword'up'isaparticle. 在 She tore up the letter 句中,up 是小品词。➡ see alsoadverbial particle