N-COUNT
透鏡；鏡片
A lens is a thin curved piece of glass or plastic used in things such as cameras, telescopes, and pairs of glasses. You look through a lens in order to make things look larger, smaller, or clearer.
例句
...a camera lens...
照相機(jī)鏡頭
I packed your sunglasses with the green lenses.
我把你那副綠色鏡片的太陽鏡裝好了。