英文關鍵字
biology
boy
caucasian
child
childhood
curiosity
curious
discovery
education
experiment
exploration
explore
exploring
face
field
flower
fun
garden
glass
grass
green
hand
happy
healthy
holding
kid
learning
lifestyle
little
looking
loupe
magnifier
magnifying
meadow
nature
one
outdoor
outside
people
person
plant
playing
school
science
searching
spring
summer
watching
young