2 sentences for 曲线 (qū​xiàn — curve)

1. 这条公路沿着山势呈曲线延伸。

   zhè tiáo gōng​lù yán​zhe shān​shì chéng qū​xiàn yán​shēn.

   This highway winds along the terrain of the mountains.

   Source: Dong Chinese Dictionary

2. 这条曲线呈现出一个完美的弧形。

   zhè tiáo qū​xiàn chéng​xiàn chū yī gè wán​měi de hú xíng.

   This curve presents a perfect arc shape.

   Source: Dong Chinese Dictionary