a crackling or rattling sound 噼啪声;咔嚓声 pistol-like crepitations. 枪声般的爆裂声。 ■(Medicine)a crackling sound made when breathing with an inflamed lung, detected using a stethoscope (医)(听诊器察觉发炎的肺部呼吸时发出的)捻发音 ■[mass noun](Entomology)the explosive ejection of irritant fluid from the abdomen of a bombardier beetle (昆)(放屁甲虫)响亮地从腹部喷射出毒液
语源
mid 17th cent.: from French crépitation or Latin crepitatio(n-), from the verb crepitare (see crepitate)