英文關鍵字
039
arm
baby
background
blond
boy
brush
brushes
brushing
care
caucasian
child
childhood
children
cleaning
daily
dental
dentist
dentistry
electric
face
four
happy
health
healthy
his
hygiene
hygienic
isolated
lifestyle
male
mouth
old
oral
pediatrician
person
portrait
prevention
raising
sanitary
teeth
teething
toddler
toothbrush
toothpaste
washing
white
years