| 释义 |
free electron fri:iˈlektrɔn 短语¹⁰⁶¹⁰⁰⁺⁵
基本英英例句
自由电子
Noun:
electron that is not attached to an atom or ion or molecule but is free to move under the influence of an electric fieldAlso present in solids are numbers of free electrons.固体中也存在大量的自由电子。
Here, free electrons rub off the con ductor and create a charge imbalance that causes the current flow.这时，摩擦引起自由电子脱离导体，产生电荷不平衡，从而产生电流。 |