If the two media have really different densities, like air and water, then most of the energy is going to be reflected back, very little of it will keep going and get transmitted into the new medium.

而如果这两种介质的密度相差较大，就像空气和水那样，那么大部分的能量将会折射回来，只有一小部分会继续传播进入到新的介质中。

youdao

Whatever it is, they will be able to share it in ways undreamed of when the Wall fell. And no matter how the storytelling medium changes, we in the mainstream media must be there to help.

无论是什么，他们将能够以柏林墙倒塌时做梦都没想过的方式来分享他们的经历，无论记述经历的媒介如何改变，我们主流媒体都会一如既往的出现，予以帮助。

youdao

New media technologies inevitably change the works they transmit-the medium becoming the message, as the Canadian scholar first observed.

新兴媒体技术不可避免得也随之转变了他们的角色——据加拿大学者们首次发现，媒体转变为消息提供者。

youdao

For instance, as I previously wrote, many companies treat social media as a broadcast medium, when social media should be a mechanism for one-to-one and many-to-many conversations with customers, employees, investors, and other key stakeholders.

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As a medium, social media lends itself to this type of content.

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