forbidden region

基本解释

A small spate of visitors has been to this once forbidden region.
一小批访客去过这个一度禁止访问的地区。
dict.cn
The relation between high-reflection region of layered media and forbidden band of the periodic unit is discussed.
讨论了分层介质高反射区和周期单元禁带之间的关系。
The public use of any other language was either banned or frowned upon, depending on the region and time period, and anything other than Spanish names were forbidden.
在弗朗哥政权的不同时期以及西班牙境内的不同地区，在公开场合使用非西班牙语被禁止抑或被认为是不合适的；另外，人们禁止使用非西班牙语的姓名。

Dr Bilham says that the Indian government has even forbidden him to use a gravity meter in the region (such a meter measures whether a point is moving away from the centre of the earth, and therefore indicates a build up of strain that might be released as an earthquake).
ECONOMIST: Earthquakes in India