1. A fence of pales forming a defense barrier or fortification. '栅栏'。''形成防御障碍或防御工事的''。'栅栏'。''围墙。
2. I should have to travel ten years to sit down contented among these fortification . 在外面旅行十年之后，我才会满意地坐在这些要塞之中。
3. Before Tang Dynasty, temporary armies system were the main fortification system, they built some cities as fortification in the frontier regions. 唐前期，边防体系以行军制度为主，在边疆地区主要是修筑了一些边城作为固体的防御工事。
英英解释
n.
1. defensive structure consisting of walls or mounds built around a stronghold to strengthen it
2. the art or science of strengthening defenses
3. the addition of an ingredient for the purpose of enrichment (as the addition of alcohol to wine or t
