凹面镜
Traditional form:
凹面鏡
Pinyin (reading):
āomiànjìng
Definitions:
- concave mirror
Characters:
- 凹 - concave, hollow; depressed; pass, valley
- 面 - face; surface, side; plane, dimension
- 镜 - mirror, glass; lens, glasses
Traditional characters:
凹面鏡
āomiànjìng