这条海岸线有着优美的曲线。

The coastline has a beautifully ___curving shape.

蜿蜒的小路穿过森林，通向湖边。

The ___curving path winds through the forest to the lake.

这条河在平原上形成一条优美的曲线。

The river makes a beautiful ___curving line across the plain.