英文關鍵字
active
activity
adult
adventure
aid
assistance
balk
boy
brook
care
caucasian
child
countryside
family
father
forest
hand
help
hike
hiking
hold
holiday
human
journey
keep
kid
lifestyle
little
male
man
nature
outdoors
parent
people
son
stone
stream
summer
support
travel
tree
trekking
trip
trunk
vacation
walk
water
white
wood
young