英文關鍵字
101
basic
circuit
class
classes
classroom
classrooms
college
course
courses
discourse
educate
education
educational
electricity
electron
electronics
elementary
grade
instruct
instruction
introduction
lecture
lectures
plug
power
practice
preparation
presentation
proton
pupil
remedial
school
schooling
student
teacher
teaching
train
training
tutor
type
typewriter
typing
university
wire
wires
wiring