名词
中文翻译：Unknown
同义词：
['pitchmeter', 'pitch gauge', 'pitch indicator']
例句：
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1. The musician used a guttameter to measure the pitch of the notes.
这位音乐家使用一个音高计来测量音符的音高。
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2. The engineer used a guttameter to check the accuracy of the tuning.
工程师使用一个音高计来检查调音的准确性。
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3. The singer used a guttameter to ensure that the pitch was consistent throughout the performance.
歌手使用一个音高计来确保在整个表演中音调是一致的。