Hillfort
01
山堡, 山丘堡垒
an ancient military building built on a hill, usually surrounded by earth walls or ditches, used for protection and as a place to live
例子
The remains of the hillfort can still be seen today.
山堡的遗迹至今仍可见。
People once lived inside the hillfort for safety.
人们曾经为了安全住在山堡里面。



























