colorless ['kʌləlɪs]

例句:

• His complexion was colorless and he hadn't shaved.
  他面无血色，胡子也没刮。
  
• Water is not only colorless, but odorless as well.
  水不仅没有颜色，也没有气味。
  
• A chemist can analyze water into two colorless gases, hydrogen and oxygen.
  化学家能将水分解成无色气体氢和氧.
  
• We find them odorless, colorless, and tasteless.
  来自SA
• Like Madoff, Kreuger was somewhat colorless and unassuming.
  来自NEWYORKER
• Pure cocaina is colorless; the crystals are large prisms.
  来自SA