降温jiàng∥wēn 1.降低温度。特指用喷水或喷冷空气等方法使高温厂房和车间等温度降低{lower the temperature, esp. in a workshop by means of spraying water or blowing cool air}: 防暑～。{lower the temperature to prevent heatstroke} 2.气温下降。{drop in temperature} 3.〈比喻fig.〉热情下降或事物发展的势头减弱{decline in enthusiasm or momentum; cool down}: 抢购热已～。{The buying spree has cooled down.}