4周搞定2000+托福核心词
effort = ef(出来) + fort(强大) = 使用强大的力量→努力
fort = fort(强大) =
acidification = acid(酸) + ification(表名词) = 使发酸,酸化,成酸性
gratification = grat(满足的) + ification(表名词) = 满足
防御工事
fortification
常考释义
n. 筑城；筑垒；设防；加强；筑城学
The fortification should be breached.
这一防线应该被攻破。
n. 防御工事（如墙垣、土垒等）
The government has started building fortifications along its eastern border.
政府已经开始沿着东部边界修建防御工事。
n. （食物的）强化，提高营养价值
In some countries, iron fortification of foods is carried out to reduce iron deficiency.
一些国家在食物中添加铁质以减少铁缺乏症。
n. 设防区；设防阵地
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