Complex sentence: In the context of binding protons and neutrons together to form atoms, the strong interaction is called the nuclear force (or "residual strong force"), and it is comprises the residual strong interaction between the quarks that make up the protons and neutrons.
Split into simpler sentences: In the context of binding protons and neutrons (nucleons) together to form atoms, the strong interaction is called the nuclear force (or "residual strong force"). In this case, it is the residuum of the strong interaction between the quarks that make up the protons and neutrons.