The audio file is stored on the storage card, rather than in internal memory.

音频文件存储在存储卡而不是内存中。

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Have 4 GB built in memory enough to take hours of audio and video.

拥有4GB内建记忆体，足以采取小时的音频和视频。

youdao

Have 4 GB built in memory enough to take hours of audio and video.

拥有4GB内建记忆体，足以采取小时的音频和视频。

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