英文關鍵字
adolescence
age
boy
brother
cartography
caucasian
cheerful
child
classmates
communications
culture
cute
discovery
earth
education
embracing
environment
face
family
friends
friendship
geography
girl
global
globe
group
hand
holding
indors
intelligence
investment
learning
looking
map
nature
peace
physical
planet
protection
relatives
school
sister
studious
travel
world
young