āo
面镜
technical
common
Meaning of 凹面镜
凹面镜 means concave; sunken; dented. Pronounced āo.
- concave; sunken; dented
Definitions & Examples
Zhè这
kuài块
mù木
bǎn板
zhōng中
jiān间
āo凹
xià下
qù去
le了
。
This piece of wood has dented in the middle.
āo凹
tòu透
jìng镜
concave lens
Dì地
xíng形
āo凹
tū凸
bù不
píng平
。
The terrain is rugged and uneven.