可以充分的准备演讲，增强了自信心的翻译：Can be prepared speeches, enhances self-confidence 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Can be fully prepared speech, enhanced self-confidence

Can be prepared speeches, enhances self-confidence

Might the full preparation lecture, strengthen the self-confidence

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Can be prepared speeches, enhances self-confidence