查词历史：
- fortifications
n.
1.
N-COUNT
See also:
fortify;
堡垒;要塞;防御工事 Fortifications are buildings, walls, or ditches that are built to protect a place and make it more difficult to attack.
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The government has started building fortifications along its eastern border.
政府已经开始沿东部边境修筑防御工事。
- 1. The fortifications were out of repair.
- 防御工事年久失修。
来自《简明英汉词典》
