featureless [ˈfi:tʃərləs]

例句:

• Malone looked out at the grey-green featureless landscape.
  马隆向外看着毫无特色的灰绿色的景致。
  
• The countryside is flat and featureless.
  这乡村一马平川，平淡无奇。
  
• Out of a starting point in a constant featureless environment, life spontaneously diversified.
  在恒常不变没有特色的环境中, 生命会自发地走向多样化.
  
• The house is square and more or less featureless.
  来自I. Colegate
• The river is a wide dark featureless stream.
  来自J. C. Oates
• The month will be so featureless.
  来自Punch