neutrons例句
The
neutrons and protons form the core of the atom.
中子和质子构成了原子核.
The nucleus of an atom consists of
neutrons, protons and other particles.
原子核由中子 、 质子和其他粒子构成.
30 years ago, scientists came up with the theory that protons and
neutrons are composed of three smaller particles.
30年前，科学家们提出了质子和中子是由三种更小的粒子组成的理论。