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to push (back) the frontiers
01
to expand the boundaries or limits of knowledge, discovery, or understanding, typically in science, technology, or exploration
Ejemplos
The artistic avant-garde seeks to push the frontiers of conventional artistic expression.
02
to extend the boundaries of a region or country, often through exploration, colonization, or territorial conquest
CollocationEjemplos
The Roman Empire's conquests in ancient times pushed back the frontiers of their dominion.
