英语语法分析

In other words, particles such as leptons and quarks have no substructure.

换句话来说，类似轻子和夸克这种没有更进一步结构的粒子。

Among the particles predicted to appear during this cooling are strange quarks.

预计在冷却过程中出现的粒子将是奇异夸克。

A quark cannot exist on its own, but must be bound to other quarks or an antiquark.

一个夸克不能单独存在，必须与其它夸克或反夸克结合在一起。