单词：anaclinal 

形容词

• 
  [1.a.anaclinal] (同义词:[anaclinal( adj. 与四周地层反方向下降的 )]  )
• 
  注释列句：of valleys and rivers; progressing in a direction opposite to the dip in surrounding rock strata
• 所 有 -> [geology( n. 地质学, 地质概况 )] 
  种 类 -> [geology( n. 地质学, 地质概况 )] 
  反义词 -> [cataclinal( adj. 与地层凹陷处同方向下降的, 顺斜的 )]