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英文關鍵字
access
accessibility
closeup
close-up
colorimage
colourimage
image
computer
computermonitor
monitor
screen
concept
conceptual
cursor
deleting
diploma
degree
discarding
dragging
dustbin
rubbishbin
trashcan
bin
e-learning
education
futility
futile
graduate
graduation
illustration
internet
online
laptop
mortarboard
motion
movement
move
moved
moving
nobody
nopeople
problem
recycling
recyclingbin
rejection
rubbish
garbage
trash
symbol
sign
technology
using
usingcomputer
vertical
waste
wastepaperbasket
wi-fi
wifi
wireless
wirelesstechnology
positioning
placing
put
placed
putting
reject
rejecting
rejected
college
university