noun🔗Share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."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。technologyphysicsdeviceChat with AIVocabulary GamePractice Reading
