资料来源 : pyDict

在从事工作的

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Practice \Prac"tice\, v. t. [imp. & p. p. {Practiced}; p. pr. &
   vb. n. {Practicing}.] [Often written practise, practised,
   practising.]
   1. To do or perform frequently, customarily, or habitually;
      to make a practice of; as, to practice gaming. ``Incline
      not my heart . . . practice wicked works.''

资料来源 : WordNet®

practicing
     adj : actively engaged in a career or way of life; "a practicing
           physician"; "a practicing Catholic"