The truck was already moving, gathering speed with a deep-throated roar.卡车已经开动了，低沉轰响着在加速。His voice drowned in the machine bark.他的声音淹没在机器的轰响中。The truck roared away/off.卡车轰响着疾驰而去。The gun thundered out a salute.礼炮轰响着致敬。A blast in his ear galvanized him into full consciousness.耳边一声轰响使他完全清醒过来。