名词
中文翻译：下降音调
同义词：
['falling tone', 'falling pitch']
例句：
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1. The singer's voice fell into a softer, more intimate tone as he began to sing.
随着歌手开始唱歌，他的声音变得柔和、更加亲密。
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2. The conversation fell into a deadlock when the topic was not discussed.
当话题未被讨论时，对话陷入了僵局。
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3. The teacher noticed that the students' falling intonation indicated they were confused.
老师注意到学生们的下降语调表明他们感到困惑。