N-COUNT
				透镜;镜片
				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...
						照相机镜头
						I packed your sunglasses with the green lenses.
						我把你那副绿色镜片的太阳镜装好了。