“音长”的英语可以翻译为：length，quantity ...

“音长”的拼音为：yīn cháng...

本系统能够录音放音长达16分钟.Recording the system can playback up to 16 minutes.i在bride中比在bright中读音长.The i in bride has greater length than the i in bright.奏出该全音符的全音长.Give the semibreve its full value....