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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:
-
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
- 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。
