英文關鍵字
academic
boardroom
business
campus
chair
classroom
college
conference
desk
education
empty
floor
furniture
illumination
lecture
light
old
primary
school
room
seminar
shadow
study
theatre
university
white
board
window
sun
shines
windows
英文關鍵字
academic
boardroom
business
campus
chair
classroom
college
conference
desk
education
empty
floor
furniture
illumination
lecture
light
old
primary
school
room
seminar
shadow
study
theatre
university
white
board
window
sun
shines
windows