up quark

例句：

1. 1. The top quark of the universe is a particle that can interact with other particles.
   宇宙的顶夸克是一种可以与其他粒子相互作用的粒子。
2. 2.The discovery of up quarks has revolutionized our understanding of the strong force.
   发现上夸克已经彻底改变了我们对强作用力的理解。
3. 3. Up quarks are believed to be responsible for the formation of neutron stars.
   人们认为上夸克是形成中子星的原因。