| 单词 | 负电荷 |
| 释义 | 〔muon〕An elementary particle in the lepton family (not a meson), having a mass 209 times that of the electron, a negative electric charge, and a mean lifetime of 2.2 × 10-6 second. Also called mu meson See table at subatomic particle 介子：轻子族中的一种基本微粒（非介子），其质量为电子的209倍，是一种负电荷，平均寿命为2.2×10-6秒 也作 mu meson 参见 subatomic particle〔electron〕A stable subatomic particle in the lepton family having a rest mass of 9.1066 × 10-28 gram and a unit negative electric charge of approximately 1.602 × 10 -19 coulomb. See table at subatomic particle 电子：轻子族里一种稳定的亚原子粒子，其静止质量为9.1066×10-28克，负电荷大约1.602×10 -19库仑 参见 subatomic particle〔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〔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〔tau〕An elementary particle of the lepton family, having a mass about 3,490 times that of the electron, a negative electric charge, and a mean lifetime of 3×10-13 seconds. See table at subatomic particle τ介子：一种轻子族群中的基本粒子，其质量约为电子的3,490倍，带有一个负电荷，平均寿命为3×10-13秒 参见 subatomic particle〔zwitterion〕A molecule carrying both a positive and a negative charge. 两性离子：带有正负电荷的分子 |
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