英文關鍵字
backlight
backspace
blue
brackets
buttons
character
closeup
comma
communication
computer
dark
digit
electronic
english
equipment
figure
finger
function
hand
illumination
information
input
insert
interface
key
keyboard
keypad
latin
led
letter
mark
media
message
motion
movement
number
numeral
pc
point
press
push
sideview
sign
symbol
system
technology
type
word
write