a gently curving stream的用法和样例：
- The road settled down into a gently curving, rising and falling ribbon through pastureland as we passed through Red Lodge and towards Columbus, our target stop for the night.
- The deeper structure apaeprs to be a gently warped monocline.
- Occiput not accentuated, the skull forming a gentle curve where it fits well into the neck.
- Joanna had a gentle retiring disposition.