fortification

• 名词，指为防御攻击而建造的防御工事或加固设施；也指加固、增强某事物的行为或过程。

A noun referring to a structure built to defend a place against attack, or the act of strengthening something.

1. Military structureB2formal

   A defensive wall, building, or other structure built to protect a place from attack.

   防御工事

   • The ancient fortification protected the city from invaders.
   • Soldiers reinforced the fortification with sandbags.
   • The castle's fortification included a moat and high walls.

   同义词bastionbulwarkcitadelfastnessfortfortressredoubtstronghold

2. Strengthening or enrichmentC1formal

   The act of making something stronger or more effective, often by adding something.

   加强或丰富

   • The fortification of the bridge with steel beams took several months.
   • Vitamin D fortification in milk helps prevent deficiencies.
   • The fortification of the company's cybersecurity system was necessary.

   同义词amplificationaugmentationenhancementintensificationreinforcementstrengthening