neutron

英文解釋：

名詞 neutron:

1. an elementary particle with 0 charge and mass about equal to a proton; enters into the structure of the atomic nucleus

中英例句：

1. A proton or a neutron, especially as part of an atomic nucleus.
   核子質子或中心，尤指作為原子核的一個組成部分
2. An isotope of hydrogen with one proton and one neutron in the nucleus having an atomic weight of2.014.
   氘氫的一種同位素，在其原子核內有一個質子和一個中子，其原子重量為2。014
3. A particle, such as an electron, a proton, or a neutron, having half-integral spin and obeying statistical rules requiring that not more than one in a set of identical particles may occupy a particular quantum state.
   費密子一種如電子、質子或中子等自旋為半整數的基本粒子，具有一種使得不可能有多於一個的粒子占有任何一個特殊的量子力學態的量子力學對稱性