lens

/lɛnz/

a transparent optical device used to converge or diverge transmitted light and to form images

中文释义：透镜；镜头

The photographer cleaned the camera lens carefully before taking the portrait.

摄影师在拍摄肖像前仔细清洁了相机镜头。

Contact lenses are a convenient alternative to glasses for many people.

对于许多人来说，隐形眼镜是眼镜的便捷替代品。