protons
n. 质子( proton的名词复数 )
A proton is an atomic particle that has a positive electrical charge.
Protons are nearly 2000 times as heavy as electrons.
质子的质量几乎是电子的2,000倍。
The neutrons and protons form the core of the atom.
中子和质子构成了原子核.
Electrons are negatively charged with electricity, protons are positively charged.
电子是带负电荷的, 质子是带正电荷的.
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。