英文關鍵字
adult
boy
care
cavity
child
cleaning
clinic
closeup
dentist
doctor
education
equipment
examining
expertise
explains
females
holding
hospital
hygiene
indoors
males
medicine
men
occupation
patient
people
surgery
toothache
visit
women
working
英文關鍵字
adult
boy
care
cavity
child
cleaning
clinic
closeup
dentist
doctor
education
equipment
examining
expertise
explains
females
holding
hospital
hygiene
indoors
males
medicine
men
occupation
patient
people
surgery
toothache
visit
women
working