Electrons are kept in their paths by the force of attraction between the protons and the electrons.
Electrons are kept in their paths by the force of attraction between the protons and the electrons.
质子与电子间的吸引力使电子保持在他们的轨道上。
Electrons are kept in their paths by the force of attraction between the protons and the electrons.
质子与电子间的吸引力使电子保持在他们的轨道上。