英文關鍵字
electrical
construction
scheme
metal
curious
boy
parts
assembles
circuit
kit
child
electronic
wires
terminals
switch
buttons
educational
zoom
technical
games
closeup
mind
idea
lesson
pride
contemplation
imagination
puzzle
studying
creation
student
play
sitting
classroom
interior
innovation
distance
success
busy
cyborg
mechanical
shape
pastime
challenge
finger
workshop
collect
inspiration
key
intelligence