sound emission

例句：

1. 1. The sound emissionfrom the explosion was so loud that itcould be heard for miles.
   爆炸产生的声发射如此响亮，以至于可以传遍几英里。
2. 2. The sound emission from the device isbeing monitored by the scientists.
   科学家正在监测该设备发出的声发射。
3. 3. The soundemission from the volcano is a warning of impending disaster.
   火山的声发射预示着即将发生的灾难。