光
圈
调
节
环
g
u
ā
n
g
q
u
ā
n
t
i
á
o
j
i
é
h
u
á
n
Definitions
1. aperture dial
Components
光圈
guāng quān
–
aperture
调节
tiáo jié
–
to adjust
环
Huán
–
surname Huan
Word Lists
Photography