名词
1.(贸易和经济活动的)激增,繁荣
2.(某种体育运动、音乐等)突然风靡的时期
3. 帆桁
4. 深沉的响声
5. 水栅
6.(麦克风的)吊杆
v.
1.不及物动词: 轰鸣,轰响
2.不及物动词: 以低沉有力的声音说
3.不及物动词: 迅速发展,激增,繁荣昌盛 词形变化
时态 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 旋臂起重机,臂式吊车,悬臂起重机
boom scraper 臂式铲运机
boom sheave 导向滑轮
boom slew 喷杆工作扇形,喷杆回转角度,转臂回转角度
boom tackle 吊杆滑轮组
boom year 景气年份,景气年份
baby boom n. 生育高峰期,婴儿潮
derrick boom 吊杆
consumption boom 消费景气
extensible boom 伸缩式臂杆,可伸支臂
boom n.1.(贸易和经济活动的)激增,繁荣2.(某种体育运动、音乐等)突然风靡的时期3. 帆桁4. 深沉的响声5. 水栅6.(麦克风的)吊杆v.1.[I] 轰鸣,轰响
BOOM (雷,大炮等的)隆隆声;(波浪的)澎湃声;(蜂等的)嗡嗡声
boom and bust n. 景气循环
boom out 最大伸距
ka boom 爆炸;毁灭性的爆炸;消失
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