新しん線せんしんせんMeanings1nounnew railway lineRefers to a newly constructed or planned railway line, often used in news or official announcements.来らい年ねん、新しん線せんが開かい通つうする予よ定ていです。A new railway line is scheduled to open next year.新しん線せんの建けん設せつ工こう事じが始はじまった。Construction work on the new line has begun.
