boom 1 S3 / bum / 名词

1 increase in business [单数形式] a quick increase of business activity 反义词 slump :

The boom has created job opportunities.

boom in

a sudden boom in the housing market

consumer/investment/property etc boom

the post-war property boom

boom years/times

In boom times, airlines do well.

the economic boom of the 1950s

The economy went from boom to bust (= from increasing to decreasing ) very quickly. → boom town

2 when something is popular [单数形式] an increase in how popular or successful something is, or in how often it happens :

the disco boom of the 1970s

boom in

the boom in youth soccer in the U.S. → baby boom

3 sound [可数名词] a deep loud sound that you can hear for several seconds after it begins, especially the sound of an explosion or a large gun → sonic boom

4 boat [可数名词] a long pole on a boat that is attached to the bottom of a sail, and that you move to change the position of the sail

5 long pole [可数名词]

a) a long pole used as part of a piece of equipment that loads and unloads things

b) a long pole that has a camera or microphone on the end

6 on a river/harbour [可数名词] something that is stretched across a river or a bay to prevent things floating down or across it

COLLOCATIONS

ADJECTIVES/NOUN + boom

an economic boom the postwar economic boom

a property/housing boom (= a sudden increase in house prices ) People made a lot of money in the 1980s property boom.

a consumer/spending boom (= a sudden increase in the amount people spend ) Various factors caused the consumer boom.

a building/construction boom (= a sudden increase in building work ) There’s been a recent construction boom in the Gulf.

an investment boom the investment boom of the past few years

动词

cause/lead to a boom Tax cuts sometimes lead to an economic boom.

trigger/spark a boom (= start it ) The lower interest rates triggered an economic boom.

fuel a boom (= add to it ) The energy crisis is fuelling a boom in alternative energy.

enjoy a boom Since then, China has enjoyed a remarkable boom.

boom + NOUN

the boom years/times the boom years of the late 1980s

短语

go from boom to bust (= change from doing very well economically to doing very badly ) The Mexican economy went from boom to bust very quickly.

at the height of the boom They sold their house at the height of the boom.