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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
02
to extend the boundaries of a region or country, often through exploration, colonization, or territorial conquest
Collocation
Пример
Last year, the exploration mission pushed the frontiers of space exploration by reaching new celestial bodies.
The westward expansion of the United States in the 19th century pushed the frontiers of the nation.
The Silk Road trade routes contributed to pushing the frontiers of cultural exchange between East and West.
Explorers have always sought to push the frontiers of human knowledge by reaching uncharted territories.
