vt.

1. 筑防御工事于；筑堡垒于
   The medieval town was fortified with a high wall and a deep moat.

   这座中世纪的城市用高墙深沟来加强防御。

2. （在肉体，精神等方面）增强，加强
   A good breakfast will fortify you for the day's work.

   早餐吃得好会提高你一天的工作效率。

3. 加固……的结构
   They fortified the dam against the flood.

   他们加固了堤坝以防洪水。

4. 提高（食品）的营养价值
   The flour was fortified with vitamins.

   这面粉因加入各种维生素而提高了营养价值。

   The vitamin is fortified with iron.

   这种维生素加了铁。

5. 增加（酒）的酒精含量
6. 支持；证实

vi.

1. 构筑防御工事；构筑堡垒

v.

1. provide with defensive works as protection against attack.
2. invigorate or encourage.
3. [often as adj. fortified] add spirits to (wine) to make port, sherry, etc.
   ▸increase the nutritive value of (food) by adding vitamins.