名詞透鏡，鏡頭; 眼睛中的水晶體; 隱形眼鏡; 汽車的燈玻璃
名詞
1. Have your glasses got plastic lenses?
你的眼鏡是用塑料鏡片的嗎？
1. 晶狀體：1.晶狀體 晶狀體(lens)是一個具有彈性的雙凸透明體,主要由上皮細胞構(gòu)成. 晶狀體外包薄層均質(zhì)的晶狀體囊(lens capsule),由增厚的基膜及膠原原纖維組成. 晶狀體內(nèi)無血管和神經(jīng),營養(yǎng)由房水供給. 老年人晶狀體的彈性減弱,
2. 水晶體：眼球前段是聚光的部份,是由眼角膜(cornea) ,瞳孔 (pupil) ,水晶體 (lens)及玻璃體所組成. 它們的功能是調(diào)節(jié)及聚合外界入射的光線. 光線首先穿過眼角膜這片透明薄膜,經(jīng)由瞳孔及水晶體,將光線屈曲及聚合在眼球的后段.
3. lens：laser engineering net shaping; 激光近成形lens
1. 透鏡；鏡片
A lens is a thin curved piece of glass or plastic used in things such as cameras, telescopes, and pairs of glasses. You look through a lens in order to make things look larger, smaller, or clearer.
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e.g. ...a camera lens...
照相機鏡頭
e.g. I packed your sunglasses with the green lenses.
我把你那副綠色鏡片的太陽鏡裝好了。
2. （眼球的）晶狀體
In your eye, the lens is the part behind the pupil that focuses light and helps you to see clearly.
3. see also: contact lens;telephoto lens;wide-angle lens;zoom lens