early 15c., "a strengthening," also "defensive earthworks; a tower" (mid-15c.), from Old French fortification "strengthening, fortification," from Late Latin fortificationem (nominative fortificatio) "a strengthening, fortifying," noun of action from past participle stem of fortificare "to make strong" (see fortify).
权威例句
1. In some countries, iron fortification of foods is carried out to reduce iron deficiency.
一些国家在食品中添加铁强化剂,以缓解人体缺铁。
2. The researchers concluded that the fortification did not produce the increase.
研究人员得出结论,认为增添铁盐不能造成血红蛋白的增高.
3. The fortification should be breached.
这一防线应该被攻破.
4. Men naturally receive their fortification from its wisdom.
男人自然会从它的格言中获得力量.
5. Many years ago the spring induced the natives to select the place for their temproary fortification.