fortification
n.筑垒，设防；防御工事
网络解释.营养强化；强化；要塞；筑城
词形变化:
复数：fortifications
blockade moat wall tower barrier barricade security inspiration fort refreshment defense embankment stronghold
双语例句
1. 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。
来自柯林斯例句