英语词汇“sound barrier”是什么意思，“sound barrier”的读音、用法及例句翻译-烛光网

词汇	sound barrier
释义	sound barriern.（名词） See sonic barrier 参见 sonic barrier A set of tall wooden, plastic, or concrete barriers placed along a road or highway to muffle the sound of traffic.音障：一组高大的木制、塑断或混凝土屏障，放置于道路或高速公路两旁，消弱交通所发出的噪声
随便看	altogether Alton Altoona alto-relievo altos altostrati altostratus alto–relievo alto–rilievo altricial altruism altruisms Altus alu- Al Ubayyid alula alulae alum alum alumina aluminas aluminate aluminated aluminates aluminating

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