fluency
/ˈfluːənsi/
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13615
高考
the quality or condition of being fluent.
noun [具体名词] （说话）流利；（做事）流畅，娴熟
His son was praised for speeches of remarkable fluency. 他的儿子非常流利的发言受到了表扬。
flu(流动) ＋ ency → 话从口中流出 → 流利
