A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
joypad
[joypad 词源字典]
"An input device for a computer games console which uses buttons to control the motion of an image on the screen", Late 20th century: blend of joystick and keypad.
[joypad etymology, joypad origin, 英语词源]