英语词库
(名词) 
Definition
a period of high economic growth
an economic boom
同义词
expansion
the rapid expansion of private health insurance
,
increase
a sharp increase in productivity
,
development
the development of the embryo
,
growth
the unchecked growth of the country's population
,
advance
They clocked up a worldwide sales advance of 27 per cent.
,
jump
an eleven per cent jump in profits
,
boost
The paper is enjoying a boost in circulation.
,
improvement
The system we've just introduced has been a great improvement.
, ,
upsurge
an upsurge in oil prices
,
upturn
There has been a modest upturn in most parts of the industry.
,
upswing
反义词
, , , , , , ,
bust (informal)
,
hard times
,
downturn
(名词) 
Definition
a loud deep echoing sound
The stillness of the night was broken by the boom of a cannon.
同义词
bang
I heard four or five loud bangs.
,
report
There was a loud report as the fuel tanks exploded.
,
shot
Guards at the training base heard the shots.
,
crash
Two people in the flat recalled hearing a loud crash about 1.30am.
, ,
blast
a shotgun blast
,
burst
a burst of fireworks
,
explosion
Three people were badly injured in a bomb explosion in London today.
,
roar
the roar of traffic
,
thunder
the thunder of the sea on the rocks
, , ,
peal
great peals of thunder
,
detonation
a heavy detonation echoed round the housing estate
(动词) 
Definition
to prosper vigorously and rapidly
Lipstick sales have boomed even more.
同义词
increase
The population continues to increase.
,
flourish
Business soon flourished.
,
grow
The economy continues to grow.
,
develop
Children develop at different rates.
,
succeed
the skills and qualities needed to succeed
,
expand
Water expands as it freezes.
, ,
do well
,
swell
The human population swelled as migrants moved south.
,
thrive
Today his company continues to thrive.
,
intensify
They are intensifying their efforts to secure the release of the hostages.
,
prosper
The high street banks continue to prosper.
,
burgeon
the country's burgeoning software industry
,
反义词
(动词) 
Definition
to make a loud deep echoing sound
Thunder boomed like battlefield cannons over Crooked Mountain.
同义词
bang
The engine spat and banged.
,
roll
guns firing, drums rolling, cymbals clashing
, , ,
echo
The distant crash of bombs echoes through the whole city.
, , ,
roar
the roaring waters of Niagara Falls
,
thunder
the sound of fireworks thundering up above
,
rumble
Thunder rumbled over the Downs.
,
resound
The soldiers' boots resounded in the street.
,
reverberate
A woman's laughter reverberated in the courtyard.
,

其他同义词

in the sense of advance
They clocked up a worldwide sales advance of 27 per cent.
in the sense of blast
Definition
an explosion, such as that caused by dynamite
a shotgun blast
in the sense of boost
Definition
an increase or rise
The paper is enjoying a boost in circulation.
同义词

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Video: pronunciation of 'boom'

学习资源

boom 的词库—— 柯林斯 英语词库
Life on the edge
The desire to push the boundaries has been a motivator in many a daring expedition, testing the human spirit and physical abilities to the utmost. Indulge your adventurous spirit by exploring some associated ‘extreme’ vocabulary. Will you have the survival skills to master our quiz?
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