小小的打个盹有很多益处，包括提高警觉性、学习能力、记忆力和表现力。
There are numerous benefits of napping, including improved alertness, learning, memory and performance.
声乐是用人声表现音乐，声音的质量和表现力是由人的大脑听觉思维塑造的。
Vocal music is music displayed by human voice. The quality of the voice and its expression is moulded by human's brain thinking.
古典芭蕾完整的训练体系对体育舞蹈的技术训练和表现力的培养有独特作用。
Classic ballet has its unique role on sports dancing training and cultivating expressiveness through unbroken training system.
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