The first tone is high and stable, like a soprano note.

第一声又高又平，像音乐中的高音。

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Their first exchange set the tone for a new relationship.

他们初步交换意见，为建立新关系定了调子。

《新英汉大辞典》

The first posts on a new blog set the tone for the rest of your posts.

对于一个新开的博客，开始的几篇博文将决定这个博客的未来。

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But play was sloppy from the outset, with the teams combining for eight turnovers in the first 6 minutes to set the tone for a clumsy first half.

NPR: Heat Take Off Late, Top Bucks 98-86 For 2-0 Lead

"I thought Howard in particular in the first half set the tone, " Bulls coach Tom Thibodeau said.

NPR: Howard Leads Lakers Over Bulls 90-81

The first sequence in the movie is one of its best, and it sets the tone for the first half of the film.

CNN: Review: Praise the Lord and pass the editing console for 'The Apostle'