Read Edit View history 下夸克 xiàkuākè down quark Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 下夸克 xiàkuākè down quark noun · down quark (particle physics) 下夸克是构成质子和中子的基本粒子之一。 Edit Delete References Add reference No references for this word.