free electron

• 自由电子

free electron的英文翻译是什么意思，词典释义与在线翻译：

英英释义

Noun:

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

free electron的用法和样例：

例句

1. Also present in solids are numbers of free electrons.
   固体中也存在大量的自由电子。
2. 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。