摘要
防御工程是指为抵御敌人入侵而建造的各种军事建筑。我们所熟悉的长城、嘉峪关、雁门关、襄阳古城、南京明城墙等都属于防御工程体系。
Long ago,some structures were built to defend against invaders(侵略者).Today,some of them remind us of heroic stories and smart ideas from the past.They are part of China's history and culture.What are they?Well,they are ancient Chinese defense structures(防御设施).
出处
《英语角》
2025年第19期4-11,共8页
English Corner