名詞 boom:

1. a deep prolonged loud noise
   同義詞：roar, roaring, thunder
2. a state of economic prosperity
3. a sudden happening that brings good fortune (as a sudden opportunity to make money)
   同義詞：bonanza, gold rush, gravy, godsend, manna from heaven, windfall, bunce
4. a pole carrying an overhead microphone projected over a film or tv set
   同義詞：microphone boom
5. any of various more-or-less horizontal spars or poles used to extend the foot of a sail or for handling cargo or in mooring

動(dòng)詞 boom:

1. make a resonant sound, like artillery
   同義詞：din
2. hit hard
   同義詞：smash, nail, blast
3. be the case that thunder is being heard
   同義詞：thunder
4. make a deep hollow sound
   同義詞：boom out
5. grow stronger
   同義詞：prosper, thrive, get ahead, flourish, expand

1. The boom swung over (the deck).
   帆杠在(甲板上)轉(zhuǎn)動(dòng)。
2. He made his pile during the property boom.
   在房地產(chǎn)生意興隆期間他發(fā)了大財(cái)。
3. Set up artificial barriers against women and minorities; an artificial economic boom.
   制造歧視婦女和少數(shù)民族的人為障礙; 人為的經(jīng)濟(jì)繁榮
4. The oil market is enjoying a boom.
   石油市場(chǎng)欣欣向榮。
5. It's a boom year this year.
   今年是繁榮昌盛的一年。

boom

v.（動(dòng)詞）
boomed,boom.ing,booms
v.intr.（不及物動(dòng)詞）
To make a deep, resonant sound.
發(fā)出隆隆聲：發(fā)出低沉而有回響的聲音
To grow or develop rapidly; flourish:
快速發(fā)展：迅速成長(zhǎng)或發(fā)展；暴漲：
例句：
Business is booming.
生意興旺

v.tr.（及物動(dòng)詞）
To utter or give forth with a deep, resonant sound:
以低沉而有回響的聲音發(fā)出：
例句：
a field commander booming out orders.
戰(zhàn)地指揮官以低沉而有回響的聲音發(fā)出號(hào)令

To cause to grow or flourish; boost.
使繁榮：引起成長(zhǎng)或暴漲；使迅速發(fā)展
n.（名詞）
A deep resonant sound, as of an explosion.
隆隆聲：低沉而有回響的聲音，比如爆炸聲
A time of economic prosperity.
繁榮：一段時(shí)間的經(jīng)濟(jì)繁榮
A sudden increase, as in popularity.
激增：突然的增長(zhǎng)，如人口激增

來(lái)源：
Middle English bomben [imitative of a loud noise]
中古英語(yǔ) bomben [一種噪音的象聲詞]

boom
boom 2

n.（名詞）
Nautical A long spar extending from a mast to hold or extend the foot of a sail.
【航?！?/i> 帆下桁：從桅桿上伸出的長(zhǎng)桿，用來(lái)支撐或伸展帆的下端
A long pole extending upward at an angle from the mast of a derrick to support or guide objects lifted or suspended.
吊桿：從起重機(jī)的豎檣上以一定角度向上伸出的長(zhǎng)桿，用來(lái)支持或牽引物體豎立或吊起

A barrier composed of a chain of floating logs enclosing other free-floating logs, typically used to catch floating debris or to obstruct passage.
欄障：一種由一連串浮木連著別的自由浮木而成的障礙物，特別用于攔截漂浮殘骸或阻止通行
A floating barrier serving to contain an oil spill.
浮木檔柵：一種漂浮的檔柵，用來(lái)阻止流失的油份
A long movable arm used to maneuver and support a microphone.
話(huà)筒吊桿：一種用來(lái)支持和調(diào)動(dòng)話(huà)筒的可動(dòng)性設(shè)備

A spar that connects the tail surfaces and the main structure of an airplane.
尾桁：連接飛機(jī)的尾部表面和機(jī)身的桁
A long hollow tube attached to a tanker aircraft, through which fuel flows to another aircraft being refueled in flight.
空中加油導(dǎo)管：連結(jié)在飛機(jī)油箱上長(zhǎng)的套空管，油料通過(guò)它流向空中被加油的飛機(jī)

來(lái)源：
Dutch [tree, pole]
荷蘭語(yǔ) [樹(shù)、柱]
from Middle Dutch * see bheu…-
源自 中古荷蘭語(yǔ) *參見(jiàn) bheu…-