robe          
noun [ C ] uk/rəʊb/ us/roʊb/
 长袍,罩袍;(尤指特别正式场合穿的)袍服,礼袍
a long, loose piece of clothing worn especially on very formal occasions
  Judges wear black robes when they are in court. 法官在法庭上都身穿黑袍。 
  (also bathrobe)浴衣;睡袍 
a loose piece of clothing that is worn before or after a bath or on top of clothing worn in bed
  He wrapped a robe around himself before answering the door. 他裹了件浴衣过来开门。