v.(动词)boomed, boom.ing, boomsv.intr.(不及物动词)To make a deep, resonant sound.发出隆隆声:发出低沉而有回响的声音To grow or develop rapidly; flourish:快速发展:迅速成长或发展:暴涨:Business is booming.生意兴旺v.tr.(及物动词)To utter or give forth with a deep, resonant sound:以低沉而有回响的声音发出:a field commander booming out orders.战地指挥官以低沉而有回响的声音发出号令To cause to grow or flourish; boost.使繁荣:引起成长或暴涨;使迅速发展n.(名词)A deep resonant sound, as of an explosion.隆隆声:低沉而有回响的声音,比如爆炸声A time of economic prosperity.繁荣:一段时间的经济繁荣A sudden increase, as in popularity.激增:突然的增长,如人口激增