句中将praise“赞扬”比喻为polish“上光剂，上光蜡”。 polish做动词时意为“磨光，擦光；使优美，润饰”。 e.g. a.You need to polish your English before you go to England. 你去英国前得把英语补一补。 b.He took out a copy of his speech and polished up a few lines. 他把演讲稿取出来润色了几处。 c.He polished his shoes with a new brush. 他用新刷子把鞋子擦亮。 句中将praise“赞扬”比喻为polish“上光剂,上光蜡” 。 polish做动词时意为“磨光，擦光；使优美，润饰” 。 e.g. a. You need to polish your English before you go to England. 你去英国前得把英语补一补。 b. He took out a copy of his speech and polished up a few lines. 他把演讲稿取出来润色了几处。 c. He polished his shoes with a new brush. 他用新刷子把鞋子擦亮