lens的过去分词 lens的过去分词是什么

1. 透镜， 一组透镜
2. 镜片
3. 【摄】镜头
4. 【解】晶体
5. 凸透镜状物件
6. 汽车的灯玻璃
7. 【矿】透镜状油矿
8. 扁豆状矿体
9. 晶状体
10. 眼睛中的水晶体
11. 兵豆属
12. 组合透镜
13. 收束透镜

1. 给…摄影，给...拍照

1. a transparent optical device used to converge or diverge transmitted light and to form images
2. genus of small erect or climbing herbs with pinnate leaves and small inconspicuous white flowers and small flattened pods: lentils
3. (metaphor) a channel through which something can be seen or understood;

   "the writer is the lens through which history can be seen"
   

4. biconvex transparent body situated behind the iris in the eye; its role (along with the cornea) is to focuses light on the retina
5. electronic equipment that uses a magnetic or electric field in order to focus a beam of electrons

1.

1. 晶状体：1.晶状体 晶状体(lens)是一个具有弹性的双凸透明体,主要由上皮细胞构成. 晶状体外包薄层均质的晶状体囊(lens capsule),由增厚的基膜及胶原原纤维组成. 晶状体内无血管和神经,营养由房水供给. 老年人晶状体的弹性减弱,

2. 水晶体：眼球前段是聚光的部份,是由眼角膜(cornea) ,瞳孔 (pupil) ,水晶体 (lens)及玻璃体所组成. 它们的功能是调节及聚合外界入射的光线. 光线首先穿过眼角膜這片透明薄膜,经由瞳孔及水晶体,将光线屈曲及聚合在眼球的后段.

3.

3.lens：laser engineering net shaping; 激光近成形lens

1. Lens can be made for microscopes.
   透镜可以作显微镜。
2. The lens of a camera forms images.
   照相机的镜头使图像形成。
3. The disease has affected the lens of his left eye.
   这种病已经影响了他左眼的水晶体。

• grind a lens磨镜片

• plastic lens塑胶镜片
• strong lens强力镜头
• telephoto lens望远镜头
• telescopic lens远摄镜头
• thick lenses厚镜片

• contact lenss隐形眼镜
• filter lens滤光透镜

• opening of the lens镜头的孔径,镜头的光圈

• ☆ 1690年左右进入英语，直接源自拉丁语的lens，意为小扁豆。