英文關鍵字
accident
away
bad
banana
boy
careless
caution
crust
damage
danger
dropped
environment
fall
fell
food
foot
footpath
garbage
harm
husk
junk
lies
litter
man
mistake
nature
park
path
pathway
pavement
pedestrian
peel
person
refuse
rind
road
rubbish
situation
skin
slick
slippery
street
throw
track
trail
trash
walking
walkway
waste
way