英文關鍵字
biology
child
childhood
concentration
cute
day
discovery
education
environment
eye
face
field
flower
fun
green
hair
happiness
holding
kid
learning
little
look
looking
meadow
naturalist
nature
one
outdoors
person
plant
school
science
search
see
sitting
smiling
summer
summertime
sunlight
sunny
sunshine
toddler
traveler
view
watching
wildlife
young
youth