lens
This lens can magnify 20 diameter.
这个透镜能放大20倍。
Some adjustment of the lens may be necessary.
可能有必要调节一下镜头。
Do you have soft contact lens care product?
有没有软性隐型眼镜保养用品？
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。
Don't smear the lens; I've just polished it.
别把镜头弄脏了，我刚刚擦过。
The camera lens must be screened from direct sunlight.
照相机的镜头不可受到阳光的直射。
A close- up lens is ideal for taking close- up picture.
近摄镜用来拍特写照片最理想。
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。
Just as a double convex lens enlarges, so a double concave lens reduces.
正象双凸透镜可以放大那样，双凹透镜也可以缩小。
Len was lying in his teeth when he said he was at home ill yesterday, because I saw him in the pub at lunchtime drinking with this mates.
莱恩说他昨天身体不舒服呆在家里，其实他是在说谎，因为我看见他中午与同伴在酒店里喝酒。
An imperfect image caused by a physical defect in an optical element, as in a lens.
色差由于光学器件(如透镜)的物理缺陷而造成的不完美成象
An instrument for examining the interior of the ear, especially the eardrum, consisting essentially of a magnifying lens and a light.
耳镜，检耳镜检查耳内部(尤其是中耳)的仪器，主要包括一个放大镜和光源
The gunsight has an infrared lens for night vision.
射击瞄准器装有用于夜间视力的红外线镜头。
The lens hood is used to cover up the lens.
遮光罩是用来遮盖镜头的。
The lens of the eye accommodate to distance.
眼球晶状体能根据距离进行调节。
I prefer a built-in zoom lens, like the one I have.
我喜欢如我所有的那种固定式变焦镜头。
He focuses the lens of a microscope.
他调整显微镜的透镜以定焦点。
Set to the desired lens aperture.
设置所需的镜头光圈。
Use a hood to screen the lens of your camera from direct sunlight.
在相机镜头上加个罩，使其免受阳光的直接照射。
A single lens in a pair of glasses; a monocle.
单片眼镜一对眼镜片中的一个单透镜；单片眼镜
Having the same focus or foci. Used of a lens.
共焦的有共同焦点的。用于透镜
To continue printing,close lens desk cover.
要继续印相，关闭镜头操作台外盖.
By definition a cataract is an opacity in the lens.
白内障的定义就是晶状体混浊。
A convex lens is used to concentrate rays of light.
凸透镜用于聚集光线。
A planoconvex lens used to concentrate light.
凸透镜用来聚光的凸镜
It has a built-in zoom lens as well.
它也有内置的变焦镜头。
Don't obstruct the lens with your fingers.
别让手指遮住镜头。
Do not let anything obstruct the lens.
别让任何东西挡住镜头。
Be sure not to put your hand in front of the lens.
注意不要把手放在镜头前面。
A lens is an optical system including two refracting surfaces.
一个透镜是包含两个折射面的光学系统。
Pry lamp lens from lamp housing.
从灯泡外壳处探测灯的灯罩。
I have get a twin - lens reflex camera .
我有一架双镜头反射式照相机。
I have got a single - lens reflex .
我有架单镜头反射式照相机。
Pull lens downwarRemove it from lamp housing.
将灯罩向下拉。将其从灯的外壳上拆下。
Concave on both surfaces;biconcave.Used of a lens.
双面均凹进的；双凹的。用于指透镜
Don' t smear the lens ; I' ve just polished it.
别把镜头弄脏了, 我刚刚擦过.
In this operation the surgeons implant a new lens .
医生在这次手术中给病人植入了新的水晶体.
Convex on both sides;biconvex.Used of a lens.
凸凸的两面部凸的；双凸面的。用来指透镜
Don't let anything obstruct the lens.
别让任何东西挡住镜头。
Don't obstruct the lens with your finger .
别让手指遮住镜头。
Level camera on tripod head. Set lens to f/8.
把相机在架顶放平,镜头调整到f/8。
Use a hood to shade the lens of your camera from direct sunlight.
在相机镜头上加个罩使其免受直接的阳光照射。
Visible lens distortion with wide angle macros.
光角近摄时可见镜头奇变。
It was barely visible even through a strong lens.
即使通过高倍透镜也几乎看不见它。
Need special protection lens planes.
注意:需特别保护镜头架。
I have got a single - lens reflex.
我有架单镜头反射式照相机。
You almost stepped on my contact lens.
你险些踩到我的隐形眼镜。
Wear your lens for swimming or showering.
在沐浴或游泳时,配戴隐形眼镜。
A typical lens has a focal length(f)of 625 mm.
常见镜头的焦距（f）为625毫米。