英文關鍵字
boy
girl
teenager
caucasian
together
selfie
photo
smartphone
photography
smile
rejoice
schoolchildren
grimaces
scream
faces
humor
joke
glasses
students
summer
green
grass
park
sun
adolescence
camera
enjoyment
mobile
love
happiness
portrait
take
look
short
childhood
classmates
1517
two
friends
area
feeling
woman
hug
nature
teenagers