Then you can find the best tone by changing the position of middle triangle.
然后你能通过改变中间三角形的位置来找到最好的色阶。
One guy was perfect. Followed all the recommendations by the book. Perfect tone. Changing rate.
那个小伙子的演讲相当出色，几乎遵循了教材的所有要求：完美的语调、完美的语速。
One guy was perfect. Followed all the recommendations by the book. Perfect tone. Changing rate.
那个小伙子的演讲相当出色，几乎遵循了教材的所有要求：完美的语调、完美的语速。
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