Level 5 · word 7,334 of 20,000
fortress
/ˈfɔːrtrəs/
American

- n. 要塞, 堡垒
- Definition
- n. a large, strong building built to defend against attack
- Example
- The ancient fortress stood strong on the hill for centuries.
- 这座古老的堡垒在山上屹立了几个世纪。