什么是城堡？
What Is a Castle?
城堡是一种防御性建筑，既用作住所，也用于防御；关键部分包括塔楼、护城河、吊桥和厚墙；以及城堡的建造原因。
What a castle is: a fortified building used as both a home and a defence; key parts including towers, moat, drawbridge, and thick walls; why castles were built
学习证据 / Evidence
- 说出城堡的至少四个部分（塔楼、护城河、吊桥、城墙、门楼）
- 解释城堡既是住所也是防御工事
- 描述中世纪的人为什么需要城堡
- Name at least four parts of a castle (tower, moat, drawbridge, walls, gatehouse)
- Explain that castles were both homes and defences
- Describe why someone in medieval times would need a castle
评估问题 / Assessment
如果{{name}}参观一座废弃的城堡，能不能指出它的主要部分，并解释为什么城堡要建成那样？
If {{name}} visited a ruined castle, could they point out the main parts and explain why it was built that way?