n.

a deep prolonged loud noise

同義詞：roarroaringthunder

a state of economic prosperity

a sudden happening that brings good fortune (as a sudden opportunity to make money)

"the demand for testing has created a boom for those unregulated laboratories where boxes of specimen jars are processed like an assembly line"

同義詞：bonanzagold rushgravygodsendmanna from heavenwindfallbunce

a pole carrying an overhead microphone projected over a film or tv set

同義詞：microphone boom

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

Why Ireland boomed
Why Ireland Boomed
The assisted GNSS boomed up location based services
China's agricultural imports boomed during 2003-04
China’s agricultural imports boomed during 2003-04
"E-Mail"Technology Has Boomed, but Manners of Its Users Fall Short of Perfection
Isolation mechanism for electrically isolating controls of boomed apparatus
Informal Institutions in Transition: How Vietnam’s Private Sector Boomed without Legal Protection
Why the baby bust cohorts havent boomed yet: a reconsideration of cohort variables in labor market analyses. (Preliminary findings o...
Inside Football: The Business That Boomed in Wake of Hillsborough ; Hillsborough's Leppings Lane End, Where the Fatal Crush Occurred...