boom
US /buːm/
UK /buːm/

1.
1.
轟鳴, 隆隆作響
to make a deep, resonant sound
:
•
The thunder boomed in the distance.
雷聲在遠處轟鳴。
•
His voice boomed across the hall.
他的聲音在大廳裡迴盪。
1.
轟, 砰
used to represent a loud, deep, resonant sound
:
•
The door slammed shut with a loud boom!
門砰地一聲關上了!