如果配备，安装声音屏障。
近日，杜克大学电子信息工程学院副教授SteveCummer声称，从理论上这种声音屏障是可造的。
Recently, Steve Cummer, Associate Professor of Electrical and Computer Engineering at Duke University announced that it is theoretically possible to create such a sound shield.
记忆的屏障中，曾经心动的声音已渐渐远去。
回首往事，日子中竟全是斑斓的光影，记忆的屏障中，曾经心动的声音已渐渐远去。
Looking back, the days of all colors of light and shadow, the memory of the barrier, the once enchanted voice has faded away.
回首往事，日子中竟全是斑斓的光影，记忆的屏障中，曾经心动的声音已渐渐远去。
Looking back, the day was full of beautiful light and shade, the memory of the barrier, the sound has been moving away from the heart.
回首往事，日子中竟全是斑斓的光影，记忆的屏障中，曾经心动的声音已渐渐远去。
Looking back, the day was full of beautiful light and shade, the memory of the barrier, the sound has been moving away from the heart.
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