名詞
1.（貿(mào)易和經(jīng)濟(jì)活動(dòng)的）激增，繁榮
2.（某種體育運(yùn)動(dòng)、音樂等）突然風(fēng)靡的時(shí)期
3. 帆桁
4. 深沉的響聲
5. 水柵
6.（麥克風(fēng)的）吊桿
v.
1.不及物動(dòng)詞： 轟鳴，轟響
2.不及物動(dòng)詞： 以低沉有力的聲音說
3.不及物動(dòng)詞： 迅速發(fā)展，激增，繁榮昌盛 詞形變化

時(shí)態(tài) boomed，booming，booms

make a deep hollow sound

a sudden happening that brings good fortune (as a sudden opportunity to make money)

grow stronger

be the case that thunder is being heard

hit hard

make a resonant sound, pke artillery

a state of economic prosperity

any of various more-or-less horizontal spars or poles used to extend the foot of a sail or for handpng cargo or in mooring

a pole carrying an overhead microphone projected over a film or tv set

a deep prolonged loud noise

boom hoist 旋臂起重機(jī)，臂式吊車，懸臂起重機(jī)

boom scraper 臂式鏟運(yùn)機(jī)

boom sheave 導(dǎo)向滑輪

boom slew 噴桿工作扇形，噴桿回轉(zhuǎn)角度，轉(zhuǎn)臂回轉(zhuǎn)角度

boom tackle 吊桿滑輪組

boom year 景氣年份，景氣年份

baby boom n. 生育高峰期，嬰兒潮

derrick boom 吊桿

consumption boom 消費(fèi)景氣

extensible boom 伸縮式臂桿，可伸支臂

boom n.1.（貿(mào)易和經(jīng)濟(jì)活動(dòng)的）激增，繁榮2.（某種體育運(yùn)動(dòng)、音樂等）突然風(fēng)靡的時(shí)期3. 帆桁4. 深沉的響聲5. 水柵6.（麥克風(fēng)的）吊桿v.1.[I] 轟鳴，轟響

BOOM (雷,大炮等的)隆隆聲;(波浪的)澎湃聲;(蜂等的)嗡嗡聲

boom and bust n. 景氣循環(huán)

boom out 最大伸距

ka boom 爆炸；毀滅性的爆炸；消失