| 释义 |
DEFINITIVE EXAMPLES 权威例句〔carbanion〕An anion in which carbon carries a negative charge and an unshared pair of electrons.负碳离子，阴碳离子：一种阴离子，其中碳带一个负电荷和一个非共用电子对美国传统〔charge〕An electron has a negative charge.电子带负电荷。英汉大词典〔negatron〕An electron with a negative charge, as contrasted with a positron.电子：带有负电荷，与正电荷相反的电子美国传统〔zwitterion〕A molecule carrying both a positive and a negative charge. 两性离子：带有正负电荷的分子美国传统A proton has positive charge and an electron has negative charge.质子带正电荷，电子带负电荷。剑桥国际 |