英文關鍵字
adult
asian
assistance
boys
car
caucasian
children
classroom
concentration
creativity
design
development
education
electronics
engineering
enjoyment
equipment
helping
inspiration
intelligence
interesting
korean
learning
lesson
listening
males
mechanical
modern
people
play
preadolescent
robotics
school
science
students
studying
talking
teacher
teaching
technology
tools
vietnamese
working