अभयारण्य  =  area
Visited a beautiful preserve in the city

बनाये रखना  =  retain-keep
She managed to preserve her sense of humour in a difficult situation

लुप्त न होने देना  =  animal
Preserve endangered species

अप्रिवर्तित रखना  =  building
To preserve historical monuments

नष्ट न होने देना  =  food
Salt and spices help to preserve meat

सुरक्षित होना  =  place
The fishing in strech of river is strictly preserved