lens /lenz/ n. ［c］( pl. lenses) 1. 透镜，镜头：a fast lens 快镜头；the power of a lens 透镜的放大率；The lens inverted the image. 透镜使图像颠倒。Lenses are used in cameras, spectacles, telescopes, etc. 透镜用于照相机、眼镜、望远镜等。2. 隐形眼镜：contact lens 隐形眼镜；put on (contact) lens戴隐形眼镜