polish

vt.

1. 磨光，擦亮[（+up）]
   He polished his spectacles with a handkerchief before answering.

   回答之前，他用手帕擦拭了一下眼鏡。

2. 使優美，使精鍊；潤飾[（+up）]
   The speaker spent several days polishing her lecture.

   演講者花了幾天時間潤飾她的演講稿。

vi.

1. 發亮；變光滑；變優美