두 국가나 정치적 실체를 분리하는 선이나 경계.
A line or border separating two countries or political entities.
예문:
"The two nations agreed to patrol the disputed frontier jointly to prevent illegal crossings."
"Historically, the Rhine River served as a natural frontier in Europe."
정착된 땅의 가장자리로, 그 너머에는 미개척지가 있는 곳. 특히 미국 서부 개척 시대의 변경을 가리킨다.
The extreme limit of settled land beyond which lies wilderness, especially referring to the American West during expansion.
예문:
"Life on the frontier was harsh, requiring immense resilience from the early settlers."
"The novel romanticizes the rugged individualism associated with the American frontier experience."
특정 분야에서 이해, 지식 또는 성취의 극한 또는 최전선.
The extreme limit of understanding, knowledge, or achievement in a particular field.
예문:
"Quantum computing represents the current frontier of information technology research."
"Scientists are constantly pushing back the frontiers of medical science to find new cures."
"Exploring deep space is considered the final frontier for human exploration."