C2 noun #100,885 最常用

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 30秒了解

  • (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

Meanings

  1. 1
    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
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