boomKK [bum] /bum/發音名詞1隆隆聲、轟隆聲、低沉巨響We heard a loud boom and then the windows rattled.我們聽到一聲巨大的轟隆聲，接著窗戶就震動起來。2繁榮、景氣、蓬勃發展The housing boom pushed rents up across the whole city.房市熱潮讓全市的租金都上漲了。3暴增、激增The pandemic caused a boom in online grocery shopping.疫情使線上生鮮購物需求暴增。4麥克風吊桿、伸縮桿The sound engineer held the boom just above the actors.音效師把麥克風吊桿舉在演員頭頂上方。動詞1發出隆隆聲、轟隆作響Thunder boomed in the distance as we packed up.我們收東西時，遠處雷聲隆隆作響。2蓬勃發展、景氣大好、暴增Tourism is booming again after three difficult years.經過三年的艱困期，觀光業又再度蓬勃發展。3以低沉大聲說出、吼道A voice boomed over the loudspeaker, telling everyone to leave.擴音器傳出低沉宏亮的聲音，要大家離開。感嘆詞1搞定、就這樣口語You press this button, and boom, the job is done.你按下這個按鈕，搞定，工作就完成了。