英文關鍵字
adolescent
adult
approach
boy
caucasian
child
children
communication
concerned
curly
expression
face
family
female
green
hug
hugging
lifestyle
looking
male
mature
mom
mother
outdoor
parent
people
person
phone
rejoice
smartphone
smiling
son
street
summer
taking
talk
technology
teenager
telephone
tutoring
two
urban
wait
woman
young
youth