A proton is an atomic particle that has a positive electrical charge.
英漢詞典釋義
n.
質子
An electron has a negative charge,a proton has a positive charge.電子帶負電荷,質子帶正電荷。Electrons are negatively charged with electricity,protons are positively charged.電子是帶負電荷的,質子是帶正電荷的。
英英詞典釋義
Noun
1. a stable particle with positive charge equal to the negative charge of an electron