英文關鍵字
bathroom
boy
brother
brush
brushing
care
caucasian
cheerful
child
childhood
clean
cute
dental
emotional
everyday
face
family
fresh
fun
funny
hand
happy
health
healthcare
healthy
hold
hygiene
joy
kid
learn
mirror
morning
mouth
oral
people
prevention
smiling
teeth
together
tooth
toothbrush
toothpaste
two
washing
white
young