高こう度ど成せい長ちょう路ろ線せんMeaningsNoun1. high-growth track; higher growth pathKanji used高high度degrees成become長long路path線lineComposed of高こう度どaltitude; height; elevation; high-degree; high-grade; advanced; sophisticated; strongNoun成せい長ちょうgrowth; development; growing up; becoming an adult; growth (of a company, the economy, etc.)Noun路ろ線せんroute (bus, train, air, etc.); line; line (taken by a group, organization, etc.); policy; courseNoun