frontiers
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Example Sentences
Example:The city functions as a center for cultural and economic activities in the region.
Definition:A point or area around which other things are centralized or focused.
From centers
Example:The core of the research was to understand the underlying principles of the new technology.
Definition:The central or essential part or aspect of something, especially a physical object or concept.
From core
Example:Exploring the interiors of planets remains one of the biggest challenges in space exploration.
Definition:The inside area of an object or region.
From interiors
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