音标：['lensiz] ；

柔性焦距透镜组

n a transparent optical device used to converge or diverge transmitted light and to form images
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 electronic equipment that uses a magnetic or electric field in order to focus a beam of electrons

lens的用法和样例：

例句

用作名词(n.)

Don't smear the lens; I've just polished it.别把镜头弄脏了，我刚刚擦过。
Some adjustment of the lens may be necessary.可能有必要调节一下镜头。
The camera lens must be screened from direct sunlight.照相机的镜头不可受到阳光的直射。
He uses lens to make things appear clearer.他用镜片以便看东西更清楚些。
The lens is often used to make telescopes.镜片常被用来做成望远镜。
I am very near-sighted and wearing a pair of contact lens now.我非常近视而且现在正戴着隐形眼镜。
This lens can magnify 20 diameter.这个透镜能放大20倍。
In this operation the surgeons implant a new lens in the eye.医生在这次手术中给病人眼球植入了新的水晶体。

常见句型

用作名词(n.)

Lens can be made for microscopes.透镜可以作显微镜。
The lens of a camera forms images.照相机的镜头使图像形成。
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。

词汇搭配

用作名词 (n.)

动词+～

grind a lens磨镜片

形容词+～

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

名词+～

contact lenss隐形眼镜
filter lens滤光透镜

介词+～

opening of the lens镜头的孔径,镜头的光圈

【近义词】

glasses

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