英文關鍵字
child
explore
nature
look
magnifying
loupe
glass
forest
plant
magnifier
boy
environment
schoolchild
little
biologist
summer
activity
discover
inquisitive
examine
investigate
hike
family
kid
park
hiker
national
grass
fern
tree
discovery
grove
leisure
hobby
childhood
ecology
investigating
leaf
outdoors
outside
people
search
adventure
study
learn
play