问题描述：
pilot这个词在这里的意思
He also appeared as the character Moist in Dr. Horrible's Sing-Along Blog, and had a small role in the pilot of the Judd Apatow-produced sitcom Undeclared. In the 2009 Coen brothers' film A Serious Man he played junior Rabbi Scott Ginzler. He had a minor role in the Season 4 finale of "The Guild" as one of the Game Masters ("GM").
He also appeared as the character Moist in Dr. Horrible's Sing-Along Blog, and had a small role in the pilot of the Judd Apatow-produced sitcom Undeclared. In the 2009 Coen brothers' film A Serious Man he played junior Rabbi Scott Ginzler. He had a minor role in the Season 4 finale of "The Guild" as one of the Game Masters ("GM").
问题解答：
我来补答展开全文阅读