microexpression

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发音

/ˌmaɪkɹəʊ.ɪkˈspɹɛʃən/

词形变化

microexpressions 复数 microexpressions

释义与例句

n.
  1. 1.

    A fleeting, involuntary facial expression that may reveal private thoughts or emotions.

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词源

From micro- + expression.

来源：wiktionary