n. a transparent optical device used to converge or diverge transmitted light and to form images
n. genus of small erect or climbing herbs with pinnate leaves and small inconspicuous white flowers and small flattened pods: lentils
n. (metaphor) a channel through which something can be seen or understood
n. biconvex transparent body situated behind the iris in the eye; its role (along with the cornea) is to focuses light on the retina
n. 透镜, 镜头, 镜片, 晶状体
vt. 给...摄影
1. I need to clean my camera lens before taking pictures.
我需要在拍照之前清洁我的相机镜头。
2. She wore glasses with a special lens for better vision.
她戴着有特殊镜片的眼镜，以获得更好的视力。
3. The scientist used a magnifying lens to examine the tiny details.
科学家使用了放大镜来检查微小的细节。