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Ear For Life, perfect pitch, interval and chord ear training.
耳对生活，完美的音调，区间及和弦听力训练。
youdao
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The interval is then perfectly in tune, or simply perfect.
当拍音完全消失，两 声调之间达到纯正音程。
youdao
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The interval is then perfectly in tune, or simply perfect.
当拍音完全消失，两 声调之间达到纯正音程。
youdao