sound barriers

同根派生

Residents have been complaining of the "boom" which is heard whenever a jet breaks through the sound barrier.
居民们一直抱怨喷气式飞机在作超音速飞行时所产生的“音爆。”
Only this military aircraft is able to break the sound barrier.
只有这架军用飞机能够突破声障。
Volume Care will break the "Sound Barrier" on your Treo!
这样，你就可以单独为听筒预置接听音量的等级。
Trees will not help much. Sound barrier or earth berm is the best way.
过客评论2007-10-1022:50:31发表于焦点房地产网-谈房论市-雍景天成论坛
Analysis on Economic Benefits： Foam aluminum sound barrier will replace all other sound barriers.
经济效益分析：泡沫铝声屏障将取代其它各种声屏障。