Level 3 · word 2,450 of 20,000
boom
/ˈbuːm/
American
- n. 繁荣, 隆隆声
- v. 迅速发展, 发出隆隆声
- Definition
- n. a period of rapid growth, or a loud deep sound
- v. to grow quickly, or to make a loud deep sound
- Example
- The economy saw a huge boom in the early nineties.
- 九十年代初，经济出现了巨大的繁荣。