fortressKK [ˋfɔrtrəs] /ˈfɔɹtɹəs/名詞1堡壘、要塞、城堡The medieval fortress still overlooks the river from the hilltop.那座中世紀要塞至今仍矗立在山頂俯瞰河流。2堡壘、銅牆鐵壁比喻Their home ground has become a fortress this season.本球季他們的主場已成為難以攻破的堡壘。3避風港、安全堡壘比喻After the divorce, her small apartment became a fortress of calm.離婚後,她那間小公寓成了寧靜的避風港。