n.[C]

1. 单片眼镜；镜片
2. 眼镜[P]
   Do you know the tall young man wearing eyeglasses?

   你认识那个戴眼镜的高个儿小伙子吗？

3. 【物】（接）目镜
4. 洗眼杯

n.

1. a single lens for correcting or assisting defective eyesight; a monocle.
   ▸ (eyeglasses) N. Amer. another term for glasses.
2. an eyepiece.