“内侧”的英语可以翻译为：[机] inside，interior ...

戒指内侧有一层厚厚的锈斑。The tarnish lay thick on the inside of the ring.标签贴在盒子内侧.The label is on the inner side of the box.那辆出租车试图从内侧车道超过我.That taxi tried to pass me on the inside....