英文關鍵字
child
chew
chewing
gum
put
two
pads
mouth
show
teeth
smiling
jaw
boy
dirty
contented
plaque
movement
teenager
tablet
person
holding
hand
grinning
happy
joyful
breath
acne
expression
portrait
skin
care
candies
childhood
freshness
hygiene
medicine
mint
open
oral
protecting
white
sticky
refreshing
carefree
dental
enjoyment
isolated