noun 下载 🔗分享 屋脊棱镜，脊棱镜 A reflective optical prism containing a section where two faces meet at a 90° angle, resembling the roof of a building. Reflection from the two 90° faces returns an image that is flipped laterally across the axis where the faces meet. Examples : "The binoculars used for birdwatching contain roof prisms to correct the image and make it appear right-side up. " 观鸟用的双筒望远镜包含屋脊棱镜 (wū jǐ léng jìng)，用来校正图像，使其看起来是正立的。 technology physics device 与AI对话词汇游戏阅读练习
