boom

1. N-COUNT If there is a boom in the economy, there is an increase in economic activity, for example, in the number of things that are being bought and sold. (經(jīng)濟(jì)) 繁榮

An economic boom followed, especially in housing and construction. 接著是一個(gè)經(jīng)濟(jì)的繁榮，尤其在住房和建筑方面。

The 1980s were indeed boom years. 20世紀(jì)80年代確實(shí)是繁榮的時(shí)代。

2. N-COUNT A boom in something is an increase in its amount, frequency, or success. 增長(zhǎng)

The boom in the sport's popularity has meant more calls for stricter safety regulations. 該項(xiàng)運(yùn)動(dòng)普及程度的大幅提高帶來(lái)了更多要求更嚴(yán)格安全法規(guī)的呼聲。

3. V-I If the economy or a business is booming, the number of things being bought or sold is increasing. 激增

By 1988 the economy was booming. 到1988年為止經(jīng)濟(jì)一直很繁榮。

Sales are booming. 銷(xiāo)售量在激增。

4. V-T/V-I When something such as someone's voice, a cannon, or a big drum booms, it makes a loud, deep sound that lasts for several seconds. 發(fā)出低沉洪亮的聲音

"Ladies," boomed Helena, without a microphone, "we all know why we're here tonight."

“女士們”，海倫娜沒(méi)用話筒朗聲說(shuō)道，“我們都知道今晚我們?yōu)槭裁丛谶@兒?！?/p>

Thunder boomed over Crooked Mountain. 雷聲在克魯克德山上空轟鳴。

5. PHRASAL VERB Boom out means the same as . 發(fā)出低沉洪亮的聲音

Music boomed out from loudspeakers. 揚(yáng)聲器傳出了低沉響亮的音樂(lè)。

A megaphone boomed out, "This is the police."

擴(kuò)音器傳出了低沉而響亮的聲音：“我們是警察。”

6. N-COUNT/SOUND Boom is also a noun. 轟鳴聲

The stillness of the night was broken by the boom of a cannon. 夜晚的寂靜被大炮的轟鳴聲打破了。