noun🔗Share顶味,顶夸克数 A quantum number of quarks and hadrons, determined by the number(s) of top quarks and antiquarks present. Symbol T."Because the hadron contained a top quark but no anti-top quark, its topness had a value of +1. "因为这个强子包含一个顶夸克,但是没有反顶夸克,所以它的**顶味(顶夸克数)**的值为+1。physicsscienceChat with AIVocabulary GamePractice Reading