n. [物]质子；氢核（proton 的复数）
1.So, this has got protons and neutrons.
这里面有质子和中子。
2.For protons acceleration a huge amount of energy is required.
对质子加速需要大量的能源。
3.The only particles of positive charge known at that time were protons.
当时唯一知道的带有正电荷的粒子是质子。
4.An atom itself is a complete whole, with its electrons, protons and neutrons and other elements.
原子本身是个整体，含电子、质子、中子以及其他组成部分。
5.Each atomic cluster is made up of neutrons and protons.
每个原子团簇是由中子和质子组成的。
6.If you have 11 protons, it must be sodium.
如果有11个质子，那就是钠。
7.And that was a great worry because the protons have a very different mass from the electrons.
而这是一个很大的困扰，因为质子的质量与电子相距甚远。