儿
童
坐
便
垫
圈
é
r
t
ó
n
g
z
u
ò
b
i
à
n
d
i
à
n
q
u
ā
n
Definitions
1. seat reducer
Components
儿童
ér tóng
–
child
坐
zuò
–
to sit
便
biàn
–
plain
垫圈
diàn quān
–
washer (on bolt)