electron / proton

electron  KK    [ɪˋlɛktrɑn]


【物】電子[C]

a very small piece of matter that moves around the NUCLEUS 




proton    KK    [ˋprotɑn] 

【物】質子


a very small piece of matter that carries POSITIVE electricity 





https://tw.dictionary.yahoo.com/dictionary?p=electron
https://tw.dictionary.yahoo.com/dictionary?p=proton