A road bike features skinny tires and a lightweight frame.

平地车的轮胎比较细，架子也比较轻。

It flows seamlessly into a lightweight aluminum alloy frame that gently curves to wrap around your face.

它与轻巧的铝合金框架相贴合，弯曲以适应你的脸部。

" Google Glass is a tiny computer that sits in a lightweight frame, and rests neatly above your eye and it makes exploring and sharing the world around you a lot easier."

“谷歌眼镜是安装在轻质框架上的微型电脑，安置在眼镜上，让人更容易探索和分享周围的世界。”