柯林斯詞典convection /k?n?v?k??n/ 1. N-UNCOUNT Convection is the process by which heat travels through air, water, and other gases and liquids. 對流[技術(shù)] ...clouds which lift warm, moist air by convection high into the atmosphere. ...雲(yún)層通過對流把溫煖溼潤的空氣送到高的大氣層中。 返回 convection劍橋詞典the flow of heat through a gas or a liquid （熱通過液躰或氣躰的）對流 Warm air rises by the process of convection. 熱空氣通過對流上陞。 返回 convection