英文關鍵字
appliances
blackboard
board
building
cabinet
ceiling
chair
class
classroom
college
comfortable
desk
education
elementary
empty
entrance
experience
furnishings
furniture
indoor
inside
interior
knowledge
lamp
learn
lesson
light
modern
motion
panorama
physical
physics
portrait
room
rows
russia
school
scientist
seat
shade
study
table
teach
window
windows
wooden