英文關鍵字
antique
basic
chicken
chickens
class
classic
classroom
classrooms
closeup
college
course
educate
education
educational
egg
eggs
elemntary
equipment
farm
farming
hen
hens
instruction
lecture
livestock
machine
mechanical
message
nostalgia
old
poultry
presentation
real
retro
school
teaching
time
train
training
tutor
type
typewriter
typing
university
vintage
write