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sonic boom ['sɔnɪk'bu:m]
auto.	声震爆
avia.	声震; 声爆
earth.sc.	声爆〔震〕
environ.	声爆 (震)
space	声爆［震］; 音爆; 超声速音爆
tech.	废声; 轰声; 声振; 爆音
sonic boom A noise caused by a shock wave that emanates from an aircraft or other object traveling at or above sonic velocity ['sɔnɪk'bu:m]
environ.	爆音 (由冲击波从飞机或其他高于声速行的物体而产生的噪音。)

sonic boom: 6 phrases in 2 subjects

Aviation	3
Technology	3