In the rusty red deserts of South Africa, steep-sided rocky hills called inselbergs rear up from the plains like the bones of the earth.
2018年6月六級真題（第一套）閱讀 Section B
柯林斯高階英漢雙解學習詞典釋義
ADJ-GRADED
生銹的
A rusty metal object such as a car or a machine is covered with rust, which is a brown substance that forms on iron or steel when it comes into contact with water.