free electron

free electron读音音标

英 [fri: iˈlektrɔn]

美 [fri ɪˈlɛkˌtrɑn]

free electron意思解释

释义

自由电子；

英英释义

n.

electron that is not attached to an atom or ion or molecule but is free to move under the influence of an electric field

双语例句

Also 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。