英文關鍵字
analog
backpack
belongings
black
blue
break
close
code
college
cypher
encoding
encrypt
exam
fast
grades
graduation
gray
handheld
high
highschool
hotebooks
keeping
key
keyhole
learning
lock
locker
lockers
masterlock
mechanical
mechanism
metal
notes
number
numbers
pack
password
personal
physical
pin
presence
pupils
safe
school
shot
students
tac
teaching
tic
tilt
valuables
wheel
zoom