动词中文翻译
中文翻译：测试音调
同义词：
['tune', 'test', 'check']
例句：
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1. The engineer tested the new machine's tone before it was put into use.
工程师在机器投入使用前测试了它的音调。
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2. The teacher asked the students to test their own tone for a speech.
老师要求学生们测试自己的发音，准备演讲。
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3. The musician carefully tuned his instrument to ensure the perfect tone.
音乐家仔细调整他的乐器，以确保完美的音调。