生牛皮

例句：

1. 1. The car was wrapped in a layer of fresh, unbleached cloth to protect the leather seats.
   汽车被一层新鲜的、未漂白的布料覆盖，以保护皮革座椅。
2. 2.The old man had been wearing this same type of livery for decades.
   这位老人几十年来一直穿着这种类型的制服。
3. 3. The driver carefully removed the livery from his vehicle before starting the engine.
   司机在启动引擎前小心地从他的车辆上取下制服。