n.镜头；镜片；透镜；(眼球的)水晶体

v.给…摄影；给…拍照

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。

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。