沿革

yángé

the course of change and development; evolution

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evolution

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evolution

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yan2 ge2

evolution of sth over time, course of development, history

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沿革

yán gé

the course of change and development; evolution:

社会风俗的沿革 the evolution of social customs

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沿革|沿革 [yán gé] ► evolution of sth over time ► course of development ► history