The invention was the product of research aimed at making a device that could record a conversation conducted over the newly invented telephone.

这个发明源于一项研究，旨在开发一台装置将新近发明的电话里进行的交谈录制下来。

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Have you ever picked up your telephone only to hear noise on the other end? Or maybe you heard bits of conversation or singing over some static?

你有没有拿起电话接听却只听到另一端传来噪音的经历，或者你听到的是夹杂着静电干扰声的点滴谈话或歌唱声这种经历？

youdao

Have you ever picked up your telephone only to hear noise on the other end? Or maybe you heard bits of conversation or singing over some static?

你有没有拿起电话接听却只听到另一端传来噪音的经历，或者你听到的是夹杂着静电干扰声的点滴谈话或歌唱声这种经历？

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