rock-face

例句：

1. 1. The rock-face is covered inmoss and lichen.
   岩石表面覆盖着苔藓和地衣。
2. 2. Theclimber was clinging to therock-face for dear life.
   攀岩者紧紧抓住岩石表面，拼命求生。
3. 3. The rock-face is a popular destinationfor rock climbers.
   岩石表面是攀岩者热衷的目的地。