echo chamber

1. Long distance telephony was also an option, but costs were very high and it often sounded as if the other party was speaking from inside some kind of echo chamber on a distant planet.
   当然，长途电话也是一个选择，但价格十分昂贵，而且话筒另一边的声音听起来总像是从一个遥远星球的回音室里传来的。
2. But perhaps the joy that scientists find in arguing with each other can be counted on to keep the enterprise from turning into an echo chamber.
   或许要依赖于科学家们在相互争论中所得到的快乐来防止科学事业蜕变为传声筒了。
3. Genuinely free elections would lead to a Duma with a real opposition that would be able to challenge the Kremlin rather than simply acting as its echo chamber.
   通过真正自由的选举选出的国家杜马，会拥有真正的反对派，能够挑战克里姆林宫，而不是只会对其惟命是从。
4. And anything that involves drama, film stars, morality and controversy usually careens deafening-ly around the media echo chamber like the mythic call of the Horn Resounding.
   任何涉及戏剧、电影明星、道德及争议等题材，通常都会在媒体喧哗中模糊掉了原本要表达的内涵，就像是宏亮号角声迷思性的呼喊。
5. Yeah, I think the echo chamber.
   是的，我想是回音壁那幅。

noun

1. an enclosed space for producing reverberation of a sound