forbidden region

基本解释

A small spate of visitors has been to this once forbidden region.
一小批訪客去過這個一度禁止訪問的地區。
dict.cn
The relation between high-reflection region of layered media and forbidden band of the periodic unit is discussed.
討論了分層介質高反射區和周期單元禁帶之間的關系。
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.
在弗朗哥政權的不同時期以及西班牙境內的不同地區，在公開場郃使用非西班牙語被禁止抑或被認爲是不郃適的；另外，人們禁止使用非西班牙語的姓名。

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