Edison's earliest movies were in fact talkies--that is, they had sound. Showing one of those movies and producing the audio required these two devices, the projector on the left, and the phonograph on the right. They would be quite far apart, with the phonograph behind the movie screen, and the idea was that the audio would synchronize with the movie. But it didn't work that well.
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They had a wonderful time by the sound of it.
听起来他们好像过得很愉快。
They could hear each other's distressed breathing now, which showed them that the more terrible sound had passed.
他们现在能听到彼此紧张的呼吸声,这说明更可怕的声音已经过去了。
In their 2017 study published in Nature Communications, participants were able to pick out sound features that they had heard during sleep.
在他们2017年发表在《自然——通讯》上的研究中,参与者能够分辨出他们在睡觉时所听到的声音特征。
It may sound like a small improvement but he just had very highly-paid insurance salesmen and they were paid as long as people kept their policy.
这听起来似乎是一个小进步,他只是高薪聘用了一些推销人员,他们只要能保住客户就能获得高额回报
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