ADJECTIVE | VERB + FORT | FORT + VERB | PREPOSITIONADJECTIVE➤hill山堡➤border (especially NAmE) 邊境要塞▸➤Iron Age, Roman, Saxon, etc.鐵器時代、羅馬、撒克遜等城堡◇an Iron Age hill fort鐵器時代的山堡➤snow (NAmE) 雪堡VERB + FORT➤attack攻擊要塞▸➤hold守住堡壘◇Government forces managed to hold the fort.政府軍守住了要塞。➤build建造堡壘FORT + VERB➤fall堡壘被攻陷◇The fort finally fell after a week of intense fighting.經過一週的激戰,堡壘最終被攻陷了。PREPOSITION➤at a/the fort, in a/the fort在城堡中◇All was calm at the fort that night.那晚城堡內風平浪靜。