/'fɔ:tɪfaɪ; `fɔrtə,faɪ/
v (pt, pp -fied)
1 [Tn, Tn.pr] ~ sth (against sth)
(a) strengthen (a place) against attack, by building walls, etc 防卫（某地）（筑围墙等）
*fortify a town against invasion 加强防卫一城镇以抵御敌人入侵
* a fortified city 设防的城市.
(b) support or strengthen (sb) physically or morally （在物质或道义上）支持（某人）
*Fortified against the cold by a heavy coat, he went out into the snow. 他穿上御寒的大衣冒雪外出.
* fortify oneself by prayer and meditation 通过祈祷和冥想增强自己的信念.
2 [Tn usu passive 通常用于被动语态] increase the nutritional value of (a variety of food) by adding vitamins （添加维生素）增加（食物的）营养价值
*cereal fortified with extra vitamins 强化营养麦片.

v past tense and past participlefortifiedpresent participlefortifyingthird person singularfortifies [T]

[Date: 1400-1500; Language: French;Origin: fortifier, from Latin fortis 'strong']
to build towers, walls etc around an area or city in order to defend it
　The town was heavily fortified.
to encourage an attitude or feeling and make it stronger
= strengthen
　Her position was fortified by election successes and economic recovery.
written to make someone feel physically or mentally stronger
fortify yourself (with sth)
　We fortified ourselves with a breakfast of bacon and eggs.
[usually passive]
to make food or drinks more healthy by adding vitamins to them
　fortified breakfast cereals
fortify sth with sth
　foods fortified with vitamin B