软骨表面通常是有弹性而且平滑的.Cartilage's surface is usually resilient and smooth.机身的尾部安装在一对平滑的铁板上.The rear of the frame was carried on a pair of smooth irons forming a sledge.不复是一幅整齐而平滑的布.Not replying to is tidy but level and sm...

“平滑的”的英语可以翻译为：flowing，glossy，[计] smoothed，neat，even ...