n. 〔生意〕繁荣，兴旺，激增 ≈ slump

n.  流行，风靡

n.  隆隆声

v. 〔商业、贸易或某一地区〕繁荣，迅速发展

v.  发出低沉的声音，隆隆作响

• It still has a chance to give rise to a boom in the global economy. 全球经济快速增长

• At that time there was a construction boom. 建设热/建设的澎湃热潮

• The boom has created job opportunities.

  经济繁荣创造了就业的机会。

• Tourism on the island has boomed.

  岛上的旅游业迅速发展。

• Guns boomed in the distance.

  远处大炮隆隆作响。