background hump

例句：

1. 1. The rock formation is a natural background hump that attracts tourists.
   这个岩石形成是一个自然的凸起，吸引着游客。
2. 2.The artist's use of color creates a background hump that enhances the overall composition.
   艺术家使用颜色创造了一个背景凸起，增强了整体构图。
3. 3. The mountain range has several background humps that provide excellent hiking trails.
   山脉有多个背景凸起，提供了极好的徒步旅行路线。