资料来源 : pyDict

无经验者;实习;新手

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

Jackaroo \Jack`a*roo"\, n. Also Jackeroo \Jack`e*roo"\ [Jack +
   kangaroo.]
   A young man living as an apprentice on a sheep station, or
   otherwise engaged in acquainting himself with colonial life.
   [Colloq., Australia]