dip² n 1 [C,U] a thick SAUCE that you dip food into before you eat it 调味汁［酱］: a sour cream dip 酸奶油调味汁 2 [C] a place where the surface of something goes down suddenly 倾斜，下降: a dip in the road 路面的斜坡 3 [C] when the level or amount of something becomes lower 〔水平、数量的〕下降，减少: a dip in prices 价格的降低 4 [singular 单数] informal a quick swim 【非正式】 游（一会儿）泳: Is there time for a dip before lunch? 午饭前去游个泳时间够吗？