加热升高。总是有，总是会。它是宇宙中无可争辩的物理事件之一。这也是为什么汽车或卡车上排气系统的热量将始终向上辐射。As that heat goes up, it hits the floorboard, then is transferred to the interior, which increases the amount of heat that the air conditioning system (if the vehicle has A/C) has to deal with – not to mention it’s felt by the feet, legs and even rearend of passengers.
