1. 强化：他说,理事会原则上已同意这项建议,他希望此建议能在明年初提呈给内阁,以尽快落实强化(fortification)面粉的铁质及叶酸成份的建议. 廖中莱说,卫生部与博大在巴生河流域一带展开的调查显示,大马快餐的反式脂肪酸(TFA)含量非常低,

2. 加强,强化：foot-and-mouth disease virus 口蹄疫病毒 | fortification 加强,强化 | fresh water crab 河蟹

3. 筑城：筑巢nidificatenidificationnidify | 筑城fortification | 筑城术vallation

4. 防御工事：hand over 交出 | fortification 防御工事 | air base 空军基地

1. 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.

e.g. 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。

noun

1. the addition of an ingredient for the purpose of enrichment (as the addition of alcohol to wine or the addition of vitamins to food)

2. defensive structure consisting of walls or mounds built around a stronghold to strengthen it

Synonym: munition

3. the art or science of strengthening defenses