You speak into it and everything is recorded, voice, tone, intonation, everything. You turn a little wheel, and forth it comes, and can be repeated ten thousand times. Only fancy what this suggests.
你对着它说话,一切都被记录下来,声音,语调,语调,一切。你转动一个小轮子,它就会出来,而且可以重复一万次。想想这说明了什么。
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