- A lens is a curved transparent device that bends light, like the lens of eyeglasses or a contact lens you’ll need if the natural lens in your eye needs help. Cameras have a lens, too. Smile!
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- n. 透镜，镜片
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1. a pair of glasses with tinted lenses
一副有色镜片眼镜
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2. a camera with an adjustable lens
带有可调镜头的照相机
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3. a lens cap, a lens cover
镜头帽╱盖
- lens (n.) 1690s, "glass to regulate light rays," from Latin lens (genitive lentis) "a lentil," on analogy of the double-convex shape. See lentil. Anatomical use, of the eye part, from 1719. Lens-cap is from 1857.
lens / lenz ; NAmE lenz / noun 1 a curved piece of glass or plastic that makes things look larger, smaller or clearer when you look through it 透镜；镜片 ◆ a pair of glasses with tinted lenses 一副有色镜片眼镜 ◆ a camera with an adjustable lens 带有可调镜头的照相机 ◆ a lens cap/cover 镜头帽╱盖 ☞see also fisheye lens , telephoto lens , wide-angle lens , zoom lens 2 ( informal) = contact lens ◆ Have you got your lenses in? 你戴了隐形眼镜吗？ 3 ( anatomy 解 ) the transparent part of the eye, behind the pupil,that focuses light so that you can see clearly （眼球的）晶状体 lens lenses lens / lenz ; NAmE lenz /
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