unstained [ʌn'steɪnd]

例句:

• The sky...was a benign immensity of unstained light.
  来自J. Conrad
• Their nuclei are pale and vesicular, containing mainly unstained euchromatin.
  细胞核染色苍白呈空泡状, 应为主要含有的是不着色的常染色质.
  
• An apron keeps his clothing unstained.
  围裙使他的衣服保持原样.
  
• No reasonable man ought to doubt the unstained innocence of your relation at the bar.
  凡是知理明义的人再不会怀疑你那站在被告栏里的亲戚的清白无辜了.
  
• An 'artist designed' table of unstained oak.
  来自O. Lancaster
• Political face was saved, and the Chancellor's authority appears unstained.
  来自THETIMES