air dam
air dam
air dam
n.（名词）
A strip of metal or plastic, running the width of a car and fitted beneath the front bumper, intended to enhance aerodynamics by blocking the flow of turbulent air under the vehicle.
气坝：一条和车身一样宽，安装在前部保险杆下面的一条金属或塑料，通过阻挡车下强烈的气流来加强空气动力
