循じゅん環かん線せん

noun

loop line; circle line; circle route

Refers to a transit line (train, bus, etc.) that runs in a loop, often in urban areas. Common in route names like 山手線 (Yamanote Line) or 大阪環状線 (Osaka Loop Line).

• 東とう京きょうの山手線やまのてせんは有ゆう名めいな循じゅん環かん線せんです。