monotony

monotony
noun
  1. [mass noun]lack of variety and interest; tedious repetition and routine
    单一;单调;千篇一律
    you can become resigned to the monotony of captivity.
    你会对监禁生活的单调习以为常的。
    ■sameness of pitch or tone in a sound or utterance
    (声音或话语的)单调
    depression flattens the voice almost to monotony.
    抑郁使说话声变得几乎完全平直。
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