yǎn / zòu / zhè / duàn / xuán / lǜ / shí / yīn / cháng / bì / xū / àn / zhào / pǔ / miàn / zhǔn / què / kòng / zhì

演奏这段旋律时，音长必须按照谱面准确控制。

When performing this melody, the length of each note must be controlled precisely according to the score.