boom
boom 英 [bu:m] 美 [bum]
v. 使兴旺；发隆隆声 n. 繁荣；隆隆声
进行时:booming 过去式:boomed 过去分词:boomed 第三人称单数:booms 名词复数:booms
- A boom is a very loud, deep sound that echoes. The distant boom of fireworks might spook your nervous dog.
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- v. 使兴旺；发隆隆声
- n. 繁荣；隆隆声
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1. a boom in car sales
汽车销售额的巨增
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2. a boom year
（贸易、出口等）兴盛的一年
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3. a property boom，a housing boom
房地产╱住房的迅速发展
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4. the distant boom of the guns
远处隆隆的炮声
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5. Outside, thunder boomed and crashed.
外面雷声隆隆，霹雳炸响。
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6. By the 1980s, the computer industry was booming.
到 20 世纪 80 年代时，计算机行业迅猛发展。
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7. Business is booming!
生意兴隆！
- boom (n.1) "long pole," 1640s, specifically, "long spar run out from a ship" (1660s), from Scottish boun, borrowed from Dutch boom "tree, pole, beam," from a Middle Dutch word analogous to German Baum, English beam (n.). As "movable bar for a microphone or camera," 1931.
- boom (n.2) "loud, deep, hollow, continued sound," c. 1500, from boom (v.). Compare boondi Aboriginal word for waves breaking on a beach (source of Sydney's Bondi Beach), said to be imitative of the sound.
- boom (n.3) "sudden start or increase in commercial or other activity," 1873, sometimes said to be from boom (n.1) in the specific nautical meaning "a long spar run out to extend the foot of a sail" -- a ship "booming" being one in full sail. But it could just as well be from boom (n.2) on the notion of "sudden burst." The verbal sense "burst into sudden activity" seems to be slightly older (1871). Boom town is from 1883. The economic cycle of boom and bust has been so called since 1937.
- boom (v.) mid-15c., bomben, bummyn, "buzz, hum, drone, make a deep, hollow, continuous sound" (earliest use was for bees and wasps), probably echoic of humming. The meaning "make a loud noise, roar, rumble, reverberate" is from 15c. Compare bomb. Meaning "to burst into prosperity" (of places, businesses, etc.) is 1871, American English. Related: Boomed; booming. Boom box "large portable stereo cassette player" first attested 1978.
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