fortify
verb [ T ] uk/ˈfɔː.tɪ.faɪ/ us/ˈfɔːr.t̬ə.faɪ/
（尤指为防御而）加强，增强
to make something stronger, especially in order to protect it
a fortified town 设防的城镇
They hurriedly fortified the village with barricades of carts. 他们匆忙用马车搭起路障，加强村子的防御。
The argument had fortified her resolve to prove she was right. 这番争论增强了她证明自己正确的决心。
He fortified himself with a drink and a sandwich before driving on. 继续开车之前，他喝了杯饮料吃了块三明治来增强体力。
a fruit drink fortified with vitamin C (= with vitamin C added) 添加了维生素C的果汁饮料