这些音色的介定，最好就是听一个音调在弹奏时所产生的倍音。
These musical colors can best be defined in terms of the musical overtones of the pitches being played.
平常的地下火接近站，出的音可能是最大的射的倍。
An ordinary subway train, approaching the station, can be twice as loud as the loudest jet.
平常的地下火接近站，出的音可能是最大的射的倍。
An ordinary subway train, approaching the station, can be twice as loud as the loudest jet.
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