noun🔗Share国境, 境界線The part of a country which borders or faces another country or unsettled region"The new school district's frontier stretches along the border with the neighboring state. "新しい学区の国境は、隣接する州との境界線に沿って広がっています。geographynationareastatepoliticsChat with AIVocabulary GamePractice Reading
noun🔗Share最前線、最先端The most advanced or recent version of something; leading edge."the frontier of civilization"文明の最前線technologyscienceindustrybusinessChat with AIVocabulary GamePractice Reading
noun🔗Share前哨、前線基地An outwork of a fortification."The castle's frontier walls were heavily fortified to protect the inner keep. "城の前哨の壁は、内側の本丸を守るために厳重に要塞化されていた。militaryarchitectureChat with AIVocabulary GamePractice Reading
verb🔗Share辺境の地で開拓者として暮らすTo live as pioneers on frontier territory."The family decided to frontier a new town, hoping for a fresh start and more opportunities. "家族は新たなスタートとより多くの機会を求めて、新しい町で開拓者として暮らすことに決めた。historysocietycultureactionChat with AIVocabulary GamePractice Reading
verb🔗Share国境に置くTo place on the frontier."The company decided to frontier their new product line to a more diverse customer base. "その会社は、新しい製品ラインをより多様な顧客層に国境に置くことにしました。geographyareanationstateChat with AIVocabulary GamePractice Reading
