n.鏡頭；鏡片；透鏡；(眼球的)水晶體

v.給…攝影；給…拍照

Don't smear the lens; I've just polished it. 別把鏡頭弄臟了，我剛剛擦過。

The camera lens must be screened from direct sunlight. 照相機(jī)的鏡頭不可受到陽光的直射。

He uses lens to make things appear clearer. 他用鏡片以便看東西更清楚些。

The lens is often used to make telescopes. 鏡片常被用來做成望遠(yuǎn)鏡。

I am very near-sighted and wearing a pair of contact lens now. 我非常近視而且現(xiàn)在正戴著隱形眼鏡。

This lens can magnify 20 diameter. 這個透鏡能放大20倍。

In this operation the surgeons implant a new lens in the eye. 醫(yī)生在這次手術(shù)中給病人眼球植入了新的水晶體。