名词
中文翻译：低音调
同义词：
['tight pitch', "low note例句：1. The singer's voice has a low pitch that is hard to sing.（这位歌手的声音有一个低音调，很难唱。）2. The instrument has a low pitch that is difficult to play.（这个乐器有一个低音调，很难演奏。）"]
例句：
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1. The singer's voice has a low pitch that is hard to sing.
这位歌手的声音有一个低音调，很难唱。
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2. The instrument has a low pitch that is difficult to play.
这个乐器有一个低音调，很难演奏。
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3.The musician plays a low pitch that is not easy to hear.
这位音乐家演奏的是一个低音调，不容易听清楚。