英文關鍵字
3d
additive
afterschool
boy
child
classes
close
closeup
computer
creating
creation
development
device
dimensional
diy
electronics
equipment
future
industrial
innovation
invention
kids
laboratory
magic
making
manufacturing
model
modern
object
plastic
polymer
printer
printing
printout
production
progress
prototype
robot
robotics
science
subtractive
technical
techniques
technology
threedimensional
toy
up
work