air cushion

air-cushion的词性：
n.（名词）

1. Trapped air that supports a vehicle a short distance above the surface of land or water.
气垫：用来支持一个交通工具在陆面或水面上提升短距离的压制气体

2. A device that uses trapped air to absorb the shock of motion, especially in vehicles.Also called air spring
气垫减震器：用气垫来减轻震动的装置，尤指用于车辆上也作 air spring

air-cushion的音标和读音：