必须做到发音正确、清晰、优美，词句流利、准确、易懂，语调贴切、自然、动

必须做到发音正确、清晰、优美，词句流利、准确、易懂，语调贴切、自然、动情。

Results (English) 1:

The pronunciation must be correct, clear, beautiful, fluent, accurate, easy to understand, and intonation appropriate, natural and emotional.

Results (English) 2:

We must make the pronunciation correct, clear, beautiful, fluent words, accurate, easy to understand, appropriate tone, natural, emotional.

Results (English) 3:

The pronunciation must be correct, clear and beautiful, the words and sentences should be fluent, accurate and easy to understand, and the intonation should be appropriate, natural and emotional.