英文關鍵字
hand
man
internet
technology
scan
screen
smart
password
smartphone
id
protection
scanning
mobile
unlock
device
biometric
access
scanner
phone
fingerprint
touch
security
thumbprint
touchscreen
sensor
cellphone
speaker
electronic
information
lock
gadget
identification
display
digital
reader
science
modern
system
thumb
model
finger
telephone
privacy
identity
hold