柯林斯詞典brown bag [美國(guó)英語(yǔ)] 1. N a bag made of brown paper, often used for carrying a packed lunch or alcohol (常用來(lái)裝午餐或瓶酒的)棕色紙袋2. V to take a packed lunch in a brown bag 用棕色袋帶午餐 返回 brown bag