ortho-['ɔ:θəu]

• comb.form
  • 表示：
  • “直(向)的”：orthogenesis
  • “正(确)的”：orthodox
  • “正交”,“直角”：orthogonal
  • 【医学】“整形”,“矫形”：orthodontics
  • 【化学】“正”,“原”,“邻(位)”：orthohydrogen