spoken language and standard varieties
...reinforcement and gradualness of development(强化与循序渐进) spoken language and standard varieties(口语与标准语) treatment of materials to be learnt and already learnt and intensive and extensive courses(新旧与精泛) ..
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spoken language and standard varieties
口语和标准语
以上为机器翻译结果，长、整句建议使用 人工翻译 。