敏
感
物
质
m
í
n
m
ǐ
n
g
ǎ
n
g
ǎ
n
w
ù
w
ù
z
h
ì
z
h
ì
Definitions
1. sensitive materials
Components
敏感
mǐn gǎn
–
sensitive
物质
wù zhì
–
matter